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what is a chinchilla?

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How is perfume made?

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Do big cats like cat nip??

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This is a very legendary cat if you find this cat you are very lucky it is very legendary if I haven't stated that five times already

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Spirit halloween

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Who invented the First Fast Food?

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Is Baseball the hardest sport?

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how to play rugby

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Today's Wonder of the Day was inspired by Dane. Dane Wonders, " Who invented Comic strip art? " Thanks for WONDERing with us, Dane!

What's that way up there in the sky? Is it a bird? Could it be a plane? If you're a fan of superheroes, then you've probably already guessed who it is. It's Superman!

Superheroes are everywhere these days. If you go to the movie theater, it seems like there's always a new superhero movie playing. From Batman and Captain America to Iron Man and Green Lantern, there's no of fascinating films to feed our for heroes.

Although it seems like superhero movies are especially , they've actually been a fan for a long, long time. Superheroes didn't in movies, though. They actually got their start in the pages of the comic books.

So who exactly invented comic books and when did they first appear? Scholars believe the oldest comic book in the world is The Adventures of Obadiah Oldbuck, which was in Europe in 1837.

Although it looked more like a picture book than what most Americans would consider to be a comic book, its , Switzerland's Rudolphe Töpffer, is widely considered to be the of the picture story, comic strip, and graphic /comic book.

The first American comic book, Funnies on Parade, was in 1933. Rather than original , however, it was composed of reprinted comic strips from newspapers, including such favorites as Mutt and Jeff, Joe Palooka, and Skippy.

It was very and led to the publication of other syndicated comic strips from newspapers. It wasn't long, though, before demand for comic books led cartoonists, suffering from high unemployment as a result of the Great Depression, to create inexpensive original .

It didn't take long for the fledgling comic book industry to take flight. In fact, the golden age of comic books began with the 1938 of Jerry Siegel and Joe Shuster's Superman character in Action Comics #1.

Still the most recognizable comic book character of all time, Superman made comic books very and inspired the creation of a wide variety of characters with all sorts of superpowers. Soon comic book fans could buy comic books featuring Captain America, Batman, Green Lantern, Wonder Woman, Flash, Plastic Man, Captain Marvel, and many others.

Comic book sales increased dramatically during World War II. People could not get enough of the patriotic, inspirational stories of good overcoming evil. Plus, they were cheap. Captain America was particular during the war.

Comic books remain today. Classic comic books can also be extremely valuable. Action Comics #1, in which Superman made his , is still considered the most valuable comic book in the world. In 2014, a copy of the classic comic sold for over $3 million!

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Today's Wonder of the Day was inspired by Dane. Dane Wonders, " Who invented Comic strip art? " Thanks for WONDERing with us, Dane! What's that way up there in the sky? Is it a bird? Could it be a plane? If you're a fan of superheroes, then you've probably already guessed who it is.

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https://wonderopolis.org/wonder/how-is-perfume-made

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On Halloween, you're sure to see all sorts of monsters. Some monsters are living legends, such as Dracula. Others are animals, like werewolves. Still others are manufactured in dark, dungeons.

For example, most kids know who Frankenstein's is. He wasn't a until a mad scientist, in his laboratory , brought him to life. The rest, as they say, is history!

Making monsters might seem like simply the stuff of movies. In fact, it is, but it's also so much more than that. Many people make an entire career out of making monsters. We call them artists!

If you've ever seen a , you've probably seen the work of artists. Of course, many modern movies rely heavily on computers to create their special effects. We call these effects computer-generated images or CGI.

Some moviemakers, though, prefer to use real people in their movies as much as possible. If you want an alien, for example, and you don't want to use CGI, then you'll need a very talented artist.

artists have a long and storied history in Hollywood. Boris Karloff played the in the 1931 film version of Frankenstein. Long before computers, artists turned Karloff into one of the most famous monsters of all time.

It wasn't easy, though! Before shooting could begin each day, it took artists almost four hours to turn Karloff into a . After shooting was done for the day, it took another three hours to remove all the !

Making monsters by hand using and other special devices can be time-consuming. Besides , artists use all sorts of other items, including , fake , and plastic appendages called "appliances."

Many actors don't mind spending hours getting made up, because they believe it helps them play their roles more convincingly . Actor James Hong played a character named Lo-Pan in the Big Trouble in Little China. His old-age took a whopping eight hours to apply and consisted of a dozen overlapping layers of and appliances!

Today, Hollywood's top artists are in high demand, just like the best actors and directors. Those who perfect their craft can have a long and successful career making monsters for your favorite movies.

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On Halloween, you're sure to see all sorts of monsters. Some monsters are living legends, such as Dracula. Others are animals, like werewolves. Still others are manufactured in dark, dungeons. For example, most kids know who Frankenstein's is. He wasn't a until a mad scientist, in his laboratory , brought him to life.

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hi thomas you are the best

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https://docs.google.com/document/d/1SGUyLKZI_JBxz75u8UGS9nBoNEfdPZHusdR3tv0SxXE/edit

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What has eight letters and strikes into the hearts of students around the world? No, it's not broccoli, but that was a good guess! Give up? HOMEWORK!

Did you just in and ? We're sorry, but homework is a fact of life and it's time we took a closer look at it. Even though it might get in the way of playing outside or watching your favorite television show, it's necessary and, believe it or not, good for you!

Homework creates a between school and home. Parents rarely get to spend much time with you while you're at school. Homework allows them to keep up with what you're doing in your classes on a daily basis. But you don't have homework purely for your parents' . It's good for you, too!

Homework can help you become a better student in several different ways. First of all, homework given in advance of a particular subject can help you make the most of your classroom discussion time. For example, before beginning a discussion of a complex period in history, it can be very helpful to read background information as homework the night before.

Homework also gives you valuable practice with what you've learned in the classroom. Often, the brief period of time you have during class to learn something new is simply not enough. Repeating classroom concepts at home helps to in your mind the things you learned.

For example, you've probably experienced the of homework when it comes to mathematics. A new concept explained in class might seem foreign at first. With repetition via homework, however, you reinforce what you learned in class and it sticks with you. Without homework, a lot of classroom time would be wasted with repetition that could more easily be done outside the classroom.

In these ways, homework expands upon what is done during the day in the classroom. Your overall educational experience is better, because homework helps you to and more knowledge than would be possible with only classroom work. As you learn more, you know more and you achieve more...and you have homework to thank!

Homework teaches lessons beyond just what's taught in the classroom, too. Bringing homework home, completing it correctly, and turning it in promptly teaches a host of other important life skills, from time management and responsibility to organization and prioritization .

Despite these benefits found by researchers, the topics of who should receive homework and how much homework are hotly debated among educators and researchers. In one study, researchers found that academic gains from homework increased as grade level increased, suggesting homework is more beneficial for older students. Some researchers have found that too much homework can lower or cancel its benefits and become counterproductive , because students become burned out.

How much is too much? That depends upon many complex factors, including the individual abilities of the child, other demands upon time, such as sports, part-time jobs, family responsibilities, and types of classes. If you feel overburdened by homework, the best thing you can do is to a with your teacher. Be and honest about your feelings regarding homework and work with your teacher to strike a reasonable balance that helps you achieve your educational goals.

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You might want to wait and read today's Wonder of the Day from the comfort of home!

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its fun to play with!!!!!!

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Do you ever have weird dreams? Some students that a dog eats their homework the night before it's due. Some dreams are even stranger. We once knew a kid who dreamed that he was eating a marshmallow all night long and he woke up to find his missing!

Even the marshmallow doesn't compare to the we had the other night, though. We were walking with the Cat in the Hat along the edge of the woods just outside of Whoville.

Along the way, we ran into Bartholomew Cubbins, and he told us about a through the woods. We hiked a ways down a path until we ran smack dab into a mysterious pool of green . We thought it was liquid when we dipped our toes slowly into it, but it turned out to be a solid when we went to jump into it.

What was the meaning of this crazy ? It was definitely inspired by Dr. Seuss. Of that we're sure! We suspect that our with Bartholomew Cubbins was the result of recently reading Dr. Seuss' Bartholomew and the Oobleck. And the green ? That was definitely oobleck.

In Dr. Seuss' Caldecott Honor Book, King Derwin of Didd asks magicians to create something new to fall from the sky when he grows bored with the usual rain, sun, fog, and snow. The magicians create sticky, green oobleck, which quickly causes all sorts of problems. Fortunately, young Bartholomew Cubbins saves the day.

Bartholomew and the Oobleck inspired the name "oobleck" to be given to a that you can create in your very own kitchen. As millions of children have learned over the years in science classes and experiments at home, oobleck is a mysterious that's a lot of fun to play with!

To make oobleck, you'll need just a few simple ingredients: water, corn starch, and food coloring. In a large bowl, add a few drops of food coloring to a cup of water. Slowly stir in a cup and a half to two cups of corn starch until the mixture forms a slime.

Don't worry if your oobleck doesn't turn out perfectly the first time you make it. It can take a bit of trial and error to get it just right. During the mixing process, you may want to use your hands to ensure it reaches the proper consistency .

When your oobleck is finished, have fun playing with it! Try to answer the following question: is oobleck a liquid or a solid? If you slowly dip your finger into the oobleck, it feels like a liquid. However, if you squeeze or punch the oobleck, it feels solid. What's going on here?

Oobleck is what's known as a non-Newtonian fluid. That means it has properties of both solids and liquids. Another non-Newtonian fluid you may have heard of is quicksand.

Some substances, such as water, change states from a liquid to a solid or a gas with changes in temperature. If you heat liquid water, it will change to a gas. Freeze it and it turns to a solid.

Oobleck, on the other hand, changes states based upon . Slowly dipping a finger into oobleck allows corn starch particles to move out of the way, resulting in a liquid-like feel. If you apply , though, the corn starch particles pack together, increasing the of the oobleck and making it feel like a solid.

If you really want to have some fun with oobleck, try making a big batch in a plastic kiddie pool. Can you walk across the oobleck without sinking? What happens when you stop walking? Enjoy experimenting with oobleck!

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Do you ever have weird dreams? Some students that a dog eats their homework the night before it's due. Some dreams are even stranger. We once knew a kid who dreamed that he was eating a marshmallow all night long and he woke up to find his missing!

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Do you ever get to a nice hike in the ? With so much going on in our lives these days, it can be refreshing to walk on a trail in a or park, listening to birds and the wind blowing the leaves on trees.

Hiking can definitely make you thirsty, though, especially in the summer heat. If you've ever hiked near a beautiful babbling you may have been tempted to in a drink of the water. After all, the water often looks crystal . Certainly it's to drink, right?

Staying hydrated on the trails is important when you're in the . If you're going for a short hike, you can always take several bottles of water with you. If you're hiking for days, though, you need to learn how to find water in the wild.

Unless you're hiking in the , you're probably going to run across plenty of water sources in the wild, including ponds, creeks, streams, lakes, and rivers. But are these waters to drink?

Unfortunately, most sources of water in the wild aren't necessarily to drink without treatment, no matter how clean and they may appear. Water sources in the wild often contain harmful microorganisms, such as viruses, , and parasites.

If ingested, these contaminants can cause a variety of illnesses, including giardia and dysentery. Common of water- illnesses include nausea, cramping, and diarrhea.

Since water- illnesses can be very serious, it's best not to risk drinking water from a stream without treating it. The simplest and most effective way of purifying water is by it. Experts recommend bringing a container of water to a rolling boil for five to ten minutes to ensure that all microorganisms are killed.

If you're unable to start a fire to boil water, you can use chemical purifiers instead. There are a variety of chemical purifiers available where outdoor goods are sold. These might include iodine, chlorine, potassium permanganate, or halazone tablets.

You can also buy water purification devices that contain a combination of chemical purifiers and water filters. These devices vary greatly in their effectiveness, so make sure you know what your chosen device's limitations are before relying upon it in the wild.

If you're heading out into the wild for an extended trip, be sure to talk to an outdoors expert in advance to make sure you're prepared to find and treat water in the wild. Don't drink untreated water from a stream no matter how or clean it looks. It's simply not worth the risk!

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Do you ever get to a nice hike in the ? With so much going on in our lives these days, it can be refreshing to walk on a trail in a or park, listening to birds and the wind blowing the leaves on trees.

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Martha

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Have you ever noticed how things tend to change over time? It can be hard for kids to this , because they've only been alive for a short time. As a result, they don't have the same perspective as the adults in their lives.

Just ask any adult, though, and they'll tell you all kinds of stories about how things have changed since they were kids. Would you believe there was once a time when there was no Internet? It's true! There was also a time when you couldn't just skip through television commercials. Can you imagine?

It's only natural for things to evolve over time. This is especially true in the areas of science and technology, where breakthroughs now seem commonplace. But what about in other areas of life? Take food, for example. Food hasn't really changed much, has it? After all, pizza is still pizza and macaroni and cheese doesn't seem to have changed much over the years.

New and improved ears of corn don't appear on television commercials like the latest smartphones do. However, the food you eat does evolve by the natural course of reproduction and artificially by humans.

A will tell you that all life continues to evolve slowly due to changes in DNA over time. This would include the food you eat, which is made up of all sorts of different life forms, including plants and animals.

Modern scientists aren't content to let evolution do its work at such a slow , though. Experts in many different fields work hard every day looking for ways to make the food you eat safer, healthier, and more . Because there are seven billion people on Earth needing fed, scientists are working to make plants and food animals grow faster using fewer resources.

One that has become popular in recent times involves genetic engineering. By altering the DNA of plants and animals in laboratories, scientists have created what are known as genetically modified organisms, or GMOs.

Proponents of GMOs believe they are the future of food. They cite many benefits, including increased resistance to pests, larger crop yields, improved nutrition, and faster growth cycles. Practically, this means that farmers can grow larger, healthier crops in a shorter amount of time with fewer pesticides.

Not everyone is a fan of GMOs, though. Many detractors believe GMOs are unnatural and possibly unsafe. Some people believe tampering with a plant's or animal's DNA is wrong and could have disastrous consequences. When it comes to food and human psychology, many people have a negative to the idea of mixing genetic engineering with the food they eat.

However, supporters of GMOs point out that science is on their side. Numerous studies of GMOs have supported their safety, as well as their agricultural benefits. As the popularity of GMOs continues to grow, more studies will be needed to ensure their continued safety and utility.

For example, one common concern that many scientists validate is the worry that GMOs will lead to decreased genetic diversity. The concern is that, if all the members of a species have similar DNA, then they would all be susceptible to a threat or a change in the environment.

Those concerned with genetic diversity point to the 19 th-century Irish potato famine as an example of what could go wrong. Nearly all the potatoes in Ireland were wiped out by an invasive pathogen, because they were genetically identical. If there had been genetic diversity, such as different varieties of potatoes with different genetic compositions, some would likely have adapted and survived.

Scientists who develop GMOs are aware of concerns about genetic diversity. Many believe that, with careful development over time, they can maintain genetic diversity and thereby maintain the biodiversity that is important to the environment.

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Have you ever noticed how things tend to change over time? It can be hard for kids to this , because they've only been alive for a short time. As a result, they don't have the same perspective as the adults in their lives.

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Do you enjoy board games? From Monopoly to checkers, board games can be an interesting and challenging way to have fun with friends and family members. One of the oldest and most challenging games of has to be chess.

The of we know today has been around for over 500 years. Although no one knows for sure how the came about, many people believe it developed from other chess-like games played in India about 2,000 years ago.

In a of chess, you and your each command an of 16 pieces: 8 pawns, two rooks, two knights, two bishops, a queen and a king. Your goal is to your opponent's king before he or she traps yours. When you reach a point where you have your opponent's king trapped and he cannot escape, you have achieved checkmate and won the !

Every starts out with the pieces placed in the same positions on the board. One player plays with white or light-colored pieces, and the other player plays with black or dark-colored pieces. White moves first and then play alternates until one player achieves checkmate or the ends in a tie (or ). Players may not skip their move at any time.

To make a move, you must choose one of your pieces on the board and move it from its current position to another , according to the rules of . The a is moved to can either be empty or occupied by another player's . If the contains an opponent's , you that by removing it from the board.

It takes many people a while to learn how to play chess. Not only does the involve a lot of thinking ahead and strategy, but each type of moves in a different way. Remembering how each of the pieces moves can be difficult at first.

Pawns are special because they have two types of moves. A can either move to an empty directly in front of it, or it can a diagonally to the right or left. In addition, a may also move two squares straight ahead on its first move.

Rooks move straight forward, backward or sideways (but not diagonally ). They cannot jump over other pieces, but they can move as far as they want in any straight line.

Knights move by jumping two squares forward, backward or sideways, and then turning and jumping one more . The knight's move forms an "L" shape. Knights are special because they're the only pieces that can jump over other pieces.

Bishops also move in straight lines, but not forwards, backwards or sideways - only diagonally ! Like rooks, bishops can move as far as they want in any direction, but they cannot jump over other pieces.

The queen can move in a straight line as far as she wants in any direction. She cannot, however, jump over other pieces.

The king can move one in any direction. He cannot, however, move to a where he could be captured by an opponent's .

When you make a move that puts your opponent's king in of being captured, you say "check." Your then must make a move to protect his or her king. There are three ways you can protect a king: move him out of the way, block the check with another or the attacking the king. If one of these protective moves can't be made, then you win the and say, "Checkmate!"

has a few other special rules you'll have to learn if you want to become a player, such as castling, en passant and promotion. You can learn these more difficult rules as you play, though. For now, just concentrate on learning the basic movements of the pieces.

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Do you enjoy board games? From Monopoly to checkers, board games can be an interesting and challenging way to have fun with friends and family members. One of the oldest and most challenging games of has to be chess. The of we know today has been around for over 500 years.

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How much does it cost to have to own a horse?
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this is scary

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Have you ever scraped your knee on the playground? Perhaps you were playing a lively game of tag. You may have slipped on some wet pavement and down you went!

You may have needed a quick trip to the school nurse's office. They would have washed the and put on a . Good as new! After all, scrapes and bruises are quite common when you're a kid. What's the worst that could happen?

In 2013, a scraped knee turned into a dangerous illness for one boy in Idaho. It could've ended in removal of his leg or even death. Luckily, he got better with the help of and medicines.

That young boy faced a rare disease. It has been making headlines more often, recently. The scientific name for this condition is necrotizing fasciitis.

"Flesh-eating bacteria" is the more widely-known name for this illness. But it's a bit of a . The bacteria don't actually "eat" flesh. Instead, they release toxins that destroy tissue. This results in widespread , rapid tissue death. It can make it seem like flesh is being eaten by the invaders.

Once inside the body, the bacteria can destroy skin, fat, and other tissues. This happens quickly, sometimes spreading by an inch every hour. It can lead to sepsis, organ failure, and even death. As many as a third of the people who become infected don't survive.

We are fortunate there are only about 1,000 cases of flesh-eating bacteria reported every year. The Centers of Disease Control and Prevention (CDC) believe many cases may go unreported, however.

Several different types of bacteria can cause necrotizing fasciitis. One of the most common is group A Streptococcus. It can often be found in our bodies. Occasionally, it causes strep throat and scarlet fever.

Experts have found that some of these strains become infected by . They are called "supercharged" strains and can cause necrotizing fasciitis.

How do people become infected by flesh-eating bacteria? It usually enters the body through skin, such as cuts or insect bites. The first symptom of an infection is often severe pain. This is caused by the deep tissue damage taking place below the skin.

Treatment usually takes two forms. Doctors use antibiotics to attack the infection. They also perform to expose the affected areas to oxygen. This can help kill the bacteria. also allows doctors to remove dead and damaged tissues.

Will every scrape or cut lead to a serious health condition? Of course not! But it's important to clean and treat wounds. While flesh-eating bacteria is a rare condition, any cut is at-risk for other infections.

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Have you ever scraped your knee on the playground? Perhaps you were playing a lively game of tag. You may have slipped on some wet pavement and down you went! You may have needed a quick trip to the school nurse's office. They would have washed the and put on a .

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Why do elephants have big ears?

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how is a $1 bill made?

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We're sure you've heard the phrase "money doesn't grow on trees!" Unfortunately, that's true. So where does money come from?

Two bureaus within the U.S. Department of the are responsible for making the coins and bills that fill our wallets and piggy banks. The U.S. Mint produces coins, and the of and Printing (BEP) produces paper .

Today, we're going to focus on paper , like the $1 bill. The BEP began in 1862, when only six people created money by hand in the basement of the building.

Today, the BEP has two facilities. The Washington, D.C., site opened in 1914. A newer in Fort Worth, Texas, opened in 1991 to meet increased demand for .

The production process involves highly trained workers, special equipment and a unique combination of traditional old-world printing techniques combined with cutting-edge technology. To prevent counterfeiting, the complex process of printing involves more than 65 steps.

U.S. is printed on special paper made by Crane Paper Company. Unlike traditional paper made of wood , the paper used for is made of 75 percent cotton and 25 percent . BEP specifications require this blended paper to have special red and blue fibers throughout.

Before the paper can be used to print new bills, the image of the bills to be printed must first be engraved onto soft steel plates by hand in a process called "intaglio." These plates are called "master dies."

To preserve the master dies for future use, a process called "siderography" is used to transfer the images on the dies to printing plates.

To produce $1 bills, ink is spread on the printing plates and then wiped off, so that ink only remains in the grooves of the plates. The plates are then pressed into the special blended paper with about 20 tons of pressure.

High-speed printing presses are used to create . The BEP can print around 8,000 sheets per hour. After printing, bills are checked for defects.

If there are no defects, bills are "overprinted" with a simple printing process that is different from the intaglio printing. The U.S. Federal Reserve seal is printed in black ink, while green ink is used to print the U.S. seal and serial numbers.

Finally, cutters separate the large sheets into individual bills. After cutting, the bills are packaged and sent to one of the dozen Federal Reserve districts for distribution to banks.

Since 2003, the BEP has slowly introduced redesigned $5, $10, $20, $50 and $100 bills. These redesigned bills include many new features intended to make counterfeiting more difficult.

New features include background colors, a portrait watermark visible when held up to a light, an enhanced thread that glows under an ultraviolet light, microprinting and improved color-shifting ink that changes color when bills are tilted. There are no plans to redesign or include any of these advanced features in $1 or $2 bills.

Currency fun facts:

The front side of bills features portraits of famous, deceased American statesmen: George Washington on the $1 bill, Thomas Jefferson on the $2 bill, Abraham Lincoln on the $5 bill, Alexander Hamilton on the $10 bill, Andrew Jackson on the $20 bill, Ulysses Grant on the $50 bill and Benjamin Franklin on the $100 bill.

The back side of bills features famous images from U.S. history: the Great Seal of the United States on the $1 bill, the signing of the Declaration of Independence on the $2 bill, the Lincoln Memorial on the $5 bill, the Building on the $10 bill, the White House on the $20 bill, the Capitol on the $50 bill and Independence Hall on the $100 bill.

The "In God We Trust" first appeared on U.S. coins in 1864. In 1955, a law was passed that required all new designs for coins and to bear that inscription.

The first modern $1 bills were issued in 1963. Their design, featuring George Washington on the face and the Great Seal on the back, has never changed.

Of all the printed by the BEP, the $1 bill accounts for about 45 percent of all production. The average life span of a $1 bill is 42 months.

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We're sure you've heard the phrase "money doesn't grow on trees!" Unfortunately, that's true. So where does money come from? Two bureaus within the U.S. Department of the are responsible for making the coins and bills that fill our wallets and piggy banks. The U.S.

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When you want a drink of water, what do you do? If you're like most children, you grab a cup and head to the . One turn of the faucet yields a nice cool cup of water.

Likewise, when it's time to get clean, you jump in the shower. When you turn the faucet on, warm, water rains down on you from above, washing away the dirt and . But have you ever given much thought to where that water comes from?

Have you ever looked under your kitchen ? Is there a big pot of water under there? Nope! If you've ever taken a peek under the , you probably noticed a series of pipes leading up to the faucet. So where does that cool drinking water ?

Depending upon where you live, there are two basic ways that water gets to your house. If you live in the country on a farm, your water probably comes from a deep located on your property. If you live in a small town or larger city, however, you most likely get your water from a water .

If your water comes from a water , then you will pay fees to a water utility based upon how much water you use. Your water use is measured by a water meter located in your home or on your property.

water utilities provide water to large numbers of customers by one of two means: water or ground water. Ground water is located deep underground in veins of water known as aquifers. It must be accessed by drilling a deep and then pumping it to the . If you have a private on your property, you are using ground water from an .

water, on the other hand, is found at the of Earth in lakes, rivers, and streams. A water utility accesses water by building an to draw water to a location where it can be analyzed, treated, and then pumped out to customers.

Most water utilities tend to rely upon water sources. Millions of people around the world use ground water wells, though. Overall, both sources provide about half of the world's drinking water.

Regardless of its , water must be analyzed to ensure it's to drink. water utilities filter and treat water with certain chemicals to remove impurities and make sure your drinking water is to use.

and treated water that's to drink (called water) is then stored in a reservoir from which it gets pumped through underground pipes (called water mains) to your house. A water known as a service lateral line connects that water main to your house plumbing and brings the water right to your faucet when you turn it on.

water utilities also keep plenty of water in storage in case of emergencies. You may have noticed big water tanks located on the high hills in your town and surrounding communities. These water tanks hold thousands upon thousands of gallons of water that can be used in case of fires and water main leaks.

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Today's Wonder of the Day will take you from deep underground to your shower head!

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Where Do Dragons Live?

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You and your merry band of travelers over the ridge and find a place to stop for a break. Your will not be complete until you reach the other side of the mountain. To get there, though, you know you will have to pass through a dark .

You press on and finally reach the entrance of the . You light torches and enter the unknown. Despite the flames you carry, you can see very little around you. Your footfalls echo off the hard rock all around you. The smell is...well...let's just say " overwhelming ."

Up ahead, you see glimmers of intermittent flashes of light. You begin to sweat as the temperature steadily rises. Is something burning? As all of these sensations register within your brain, you suddenly know what lies ahead: the most feared beast known to man. What is it? A dragon, of course!

Did that introduction sound a bit like an old or a legend? We hope so, because that's where dragons live! Since there are no real fire-breathing dragons that inhabit swamps, dark caverns, mountain lairs, or dense forests, we have to enjoy them in their natural habitat: our minds, courtesy of thousands of legends, myths, and stories that have existed for hundreds of years and are still being written today.

Legendary creatures of old, dragons usually take the form of larger-than-life serpents or reptiles. Popular in the mythology of many cultures, two distinct cultural traditions of dragons have arisen over the years: the European dragon and the Chinese dragon.

The European dragon developed from European folk tales that themselves evolved from Greek and Middle Eastern mythologies. European dragons tend to be creatures with lizard-like legs and bat-like wings.

The Chinese dragon, on the other hand, developed from Eastern folklore from Japan, Korea, and other East Asian countries. Unlike their European counterparts, Chinese dragons tend to look like large snakes.

Most mythological dragons play the role of . As horrendous beasts, they represent the opponent of the of many stories. In addition to breathing fire, many dragons have poisonous claws. They are also often associated with great treasures that they guard from treasure hunters.

In many Asian cultures, dragons have significant spiritual, religious, and cultural importance. Representing the forces of nature, dragons are often associated with the qualities of and longevity. Dragons are also believed to possess supernatural or magical powers.

Although real fire-breathing, winged reptiles don't exist in our world, scientists have learned a lot recently about a species of dragon that was only discovered about 100 years ago. Komodo dragons are giant lizards that can reach 10 feet or more in length and weigh more than 300 pounds.

These huge lizards have lived for millions of years on the Indonesian islands of Komodo, Gila Motang, Rinca, and Flores. Humans didn't discover them, though, until about 100 years ago. Although they don't have wings or breathe fire, they can instill fear in prey the way that mythological dragons do.

As the heaviest lizards on Earth, Komodo dragons subdue prey with their powerful muscles, sharp claws, and shark-like teeth. Their also contains over 50 different types of bacteria, which will usually poison the blood of any prey that happens to escape a Komodo dragon's powerful bite!

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You and your merry band of travelers over the ridge and find a place to stop for a break. Your will not be complete until you reach the other side of the mountain. To get there, though, you know you will have to pass through a dark .

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Why do we eat turkey on thanksgiving

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Today's Wonder of the Day was inspired by Aaisha from Lewisville, TX. Aaisha Wonders, " Why do people eat turkey on Thanksgiving? " Thanks for WONDERing with us, Aaisha!

The dishes vary from house to house. In some parts of the country, you'll find mashed potatoes and gravy and in other places, sweet potato pie. But no matter how you Thanksgiving, in most homes around America, one guest is invited to the table each year - the turkey!

The history of the Thanksgiving turkey is a bit of a mystery. Nobody knows exactly how this particular bird earned a place of honor at the table each November, but historians have a few different theories.

Thanks to letters and records kept by early American settlers, we know that when the colonists sat down to dine with the Wampanoag Indians, and were on the . This historical meal would later become known as the first Thanksgiving.

Although historians cannot say for sure which types of were served up that day, a letter written by Edward Winslow mentions a turkey hunting trip before the meal.

Another theory attributes the Thanksgiving turkey to the Queen of England. During the 16th century, a of Spanish ships sunk on their way to attack England.

According to legend, Queen Elizabeth received this news while eating dinner. She was so thrilled that she ordered another be served. Some historians say the early settlers were inspired by the queen's actions and roasted a turkey instead of a .

The wild turkey is a bird of North America. As a result, Benjamin Franklin claimed this made the turkey a more bird for the United States than the bald eagle.

Not everyone agreed with Franklin, however, and the bald eagle became the for the United States in 1782. The bald eagle may be America's bird 364 days a year, but the turkey has one day all to itself - Thanksgiving.

Here's some interesting turkey trivia that might surprise you:

Wild turkeys can fly, but turkeys cannot.

Turkeys can run up to 20 miles per hour.

The long, loose skin that hangs down on a turkey's neck is called a "."

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Today's Wonder of the Day was inspired by Aaisha from Lewisville, TX. Aaisha Wonders, " Why do people eat turkey on Thanksgiving? " Thanks for WONDERing with us, Aaisha! The dishes vary from house to house. In some parts of the country, you'll find mashed potatoes and gravy and in other places, sweet potato pie.

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They swim and jump in the water, they also wrestle!

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Have you ever WONDERed whether animals play like we humans do? If you have a dog or a cat at home, you've probably seen them playing with balls and toys or even chasing each other around the .

But what about wild animals? Nature experts will tell you that wild animals play, too. In fact, if you're ever near a or marshy area, you may see some -like animals running and sliding on their tummies into the water to create a big splash. What are we talking about? otters, of course!

The only that can be found north of Mexico, the North American thrives in rivers, lakes, streams, wetlands, and along the coasts of every state and territory of both the United States and Canada. The only places you won't find otters are the desert areas of the southwestern U.S.

Although they're difficult to track, otters have maintained sustaining populations despite numerous threats from predators and habitat . Experts believe there are over 100,000 otters the waters of North America today.

otters have a long history in North America. Their rich furs were favorites of French traders in the 18 th and 19 th centuries. In addition to keeping them warm, their thick gives them a waterproof coating that helps them survive and in their favorite environments.

otters like to live close to water, because their diet consists primarily of fish. However, they're actually semi- mammals, which means they can live on land, too. In fact, they usually live in burrows near the water and will snack on other types of food in the area, including insects, birds, shellfish, turtles, and frogs.

If asked to choose one word that describes the , most experts would choose "playful." Extremely social animals, otters can often be seen in groups playing games. They also love to run and slide on their stomachs. If you a in the wild, it's likely you'll catch a of it sliding on its tummy down a muddy and into the water.

Experts note that these playful activities also serve an important purpose: they teach survival skills. In addition to strengthening social bonds, their games help them practice hunting techniques and mark their territory with their scent.

Since they spend a lot of time in the water, otters are very good swimmers. Of course, it helps that they're able to close off their ears and noses to keep water out. When hunting for fish, otters can dive as deep as 60 feet. They're also capable of holding their breath for as long as eight minutes!

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We think you otter really enjoy today's Wonder of the Day!

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Are Ligers real

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Are you a fan of big cats? Maybe you love learning about lions, leopards, and jaguars. You might even know that the cheetah is the world's fastest animal or that tigers love to swim. If so, you're sure to enjoy today's Wonder of the Day. It's all about ligers!

Have you ever seen the movie "Napoleon Dynamite"? If so, you've heard of ligers. According to Napoleon, they're fascinating creatures bred for their skills in magic. Based on the movie, you might think that ligers are merely a of Napoleon's imagination. After all, they sound sort of far-fetched, don't they? Believe it or not, though, they're real!

So what exactly is a liger? They're the of a male lion and a female tiger. Get it? Li-ger. Li(on) + (ti)ger! Ligers tend to have characteristics more like lions than tigers. If you're looking for a big cat that's more like a tiger, though, find a tigon. That's the of a male tiger and a female lion.

Ligers look like big lions with tiger-like stripes. Their stripes are usually rather light in color. Larger than either parent, ligers are the biggest known cats in the world. For example, Hercules, a liger at Jungle Island theme park in Miami, weighs over 900 pounds. He is recognized by the Guinness Book of World Records as the world's largest living cat!

Like tigers, ligers like to swim. Like lions, they tend to be very . Would you like to run into a liger at your local pool? Probably not!

You also won't find ligers in the wild. They are hybrids created by human in zoos or animal sanctuaries. There is very little chance that a liger would be born naturally outside of these places. That's because tigers are found mainly in Asia while lions are found mainly in Africa.

In the distant past, the two species had far greater ranges. At some point, they may have overlapped . Could a liger have occurred naturally in the wild long ago? It's possible, but not very likely.

According to historical records, ligers can be traced all the way back to the early 1800s. Some artwork from that time period even shows male lions and female tigers and their . Would you like to see a liger in a zoo or animal sanctuary one day? Maybe you'd rather visit a tigon! What other animal hybrids would you like to see?

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Today's Wonder of the Day takes an up-close look at some fascinating, mix-and-match animals!

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who invented the first fast food restaurant?

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Who Invented the First Fast Food Restaurant?

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You get out of school and head straight to soccer practice. Your dad picks you up after practice, and your stomach is grumbling. But you have to head directly to your sister's piano recital instead of home. How can you your ? It looks like the drive-through at a fast food restaurant may be in your future.

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How much water is in a watermelon?

watermelon is 95 percent water and 6 percent sugar. In japan

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Nothing quite says "summer" like a big slice of watermelon on a hot day. Walk with us as we our way through the WONDERful world of the watermelon!

Watermelon ( Citrullus lanatus) is a -like flowering . The fruit of this - what we commonly call a " watermelon" - is considered by botanists to be a pepo. A pepo is a with a thick and a fleshy center.

So, botanically, watermelons are fruits, and most people think of them as fruits since they're so and . However, watermelons are grown in gardens like a . Because they're grown like a and related to the , squash, and pumpkin, some people think of them as vegetables.

Experts believe watermelon first developed in the Kalahari Desert region of Southern Africa. Archaeologists have found ancient Egyptian hieroglyphs that show the first watermelon occurred at least 5,000 years ago.

When you bite into a piece of watermelon, you instantly know how it got its name. Each bite of watermelon contains about 92 percent water and 6 percent sugar. Since it consists mostly of water, its name makes perfect sense!

Despite being mostly water with a bit of sugar, watermelon is considered a very snack. Its high water content helps keep you hydrated. Watermelon is also a good source of vitamin C, beta carotene, and .

Did you know that you can also eat watermelon rinds? It's true!

Although many people don't like their flavor, watermelon rinds are often cooked as a in China, which produces more watermelons than any other country in the world. The Chinese stir-fry, stew, and even pickle watermelon rinds.

If you ever visit Japan, you might not recognize watermelons if you're looking for large, round melons. Japanese farmers have developed ways to grow watermelons shaped like cubes. In addition to being unique, square watermelons turn out to be much easier to stack.

One of the other famous parts of the watermelon is its seeds. Why? They're used hundreds of times every year during watermelon seed-spitting contests.

No one knows for sure how such interesting competitions got started, but they have become a very popular part of county fairs and summer celebrations all around the country.

So just how far can someone spit a watermelon seed? Pretty far! Jason Schaynot of Georgetown, Texas, holds the world record. In 1995, he spit a watermelon seed an incredible 78 feet 6 inches!

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Nothing quite says "summer" like a big slice of watermelon on a hot day. Walk with us as we our way through the WONDERful world of the watermelon! Watermelon ( Citrullus lanatus) is a -like flowering . The fruit of this - what we commonly call a " watermelon" - is considered by botanists to be a pepo.

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Does Salt Water Freeze?

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Today's Wonder of the Day was inspired by Drusilla. Drusilla Wonders, " does salt water freeze " Thanks for WONDERing with us, Drusilla!

Isn't WONDERful? On a hot day, nothing goes down quite as well as lemonade poured over a glass full of cubes. In fact, makes so many things better. For example, we love to use to make homemade cream!

When Old Man Winter comes calling, falling temperatures can turn creeks, lakes, ponds, and even rivers into frozen rinks you can skate on. But what about the ? If you've ever been to the in the winter, you've probably noticed that it doesn't like a small might.

So does the ever ? If you've seen pictures of the North Pole or the South Pole, you know that there are caps in those places. If the freezes in those areas, why doesn't the rest of the during the winter?

The freezing point of freshwater is 0° Celsius or 32° Fahrenheit. The presence of in , though, reduces the freezing point of . The more in the , the lower the freezing point will be.

When molecules displace molecules, the freezing rate slows down. This is why is often used on icy roads to slow down freezing and make them safer to travel upon.

Another factor that affects the freezing of is its . Unlike ponds, waves move around constantly. This helps retain heat. As a result, only really cold areas, such as the North Pole or South Pole, usually get cold enough for to .

About 15% of the contains sea for at least part of the year. That might not sound like a lot, but that amounts to about 10 million square miles of sea !

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Today's Wonder of the Day was inspired by Drusilla. Drusilla Wonders, " does salt water freeze " Thanks for WONDERing with us, Drusilla! Isn't WONDERful? On a hot day, nothing goes down quite as well as lemonade poured over a glass full of cubes. In fact, makes so many things better.

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where do ligers live?

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yum

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However, salt water doesn't actually contain seawater. So how did it get its name?

No one knows for sure how salt water got its name, but one legend holds that it came from David Bradley, who owned a candy store in the late 19th century.

If you've ever seen being made, you probably were fascinated by watching the being pulled by a special machine. The pulling is a part of making .

Without pulling, would be very hard. Pulling aerates it by capturing tons of tiny air bubbles within the . These air bubbles make the softer and chewy.

Before special -pulling machines were invented, candymakers would pull with a simple hook attached to the wall. They would place a huge glob of (10 to 25 pounds or more!) on the hook and then pull it five or six feet before folding it back on itself and throwing it back over the hook.

No one knows for sure how many different flavors of have been made. Since you can make in just about any , the answer would have to be in the hundreds.

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However, salt water doesn't actually contain seawater. So how did it get its name? No one knows for sure how salt water got its name, but one legend holds that it came from David Bradley, who owned a candy store in the late 19th century.

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Why does Ice float in water?

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Today's Wonder of the Day was inspired by Tianna. Tianna Wonders, " why do icecubes float in water? " Thanks for WONDERing with us, Tianna!

When you've been playing outside all , there's nothing better than at the table with a tall glass of ice water. There's something satisfying about the of the ice cubes as they hit the bottom of the glass. As you water over them, they and a bit as they slowly float to the top of the glass.

Have you ever thought about what a concoction ice water is? It's solid water floating in liquid water. How cool is that? (Pun totally intended.) But why does the ice float in water?

Scientists will tell you it has to do with , which is a measure of per of . Ice floats because it is less dense than the water.

Something denser than water, like a rock, will sink to the bottom. To be able to float, an object must displace fluid with a weight equal to its own weight.

The that ice floats in water is a bit strange, because most substances are denser when they're solids. Water, however, reaches its at 40º F (4.4º C). As water cools and freezes, it becomes less dense due to the unique nature of hydrogen bonds.

Each molecule of water consists of one oxygen atom strongly bonded to two hydrogen atoms with bonds. This is reflected in the chemical formula for water: H ₂ O.

Water molecules tend to be attracted to each other by weaker hydrogen bonds. These form between the positively-charged hydrogen atoms and negatively-charged oxygen atoms in nearby water molecules.

As water temperature decreases, the weaker hydrogen bonds begin to hold the negatively-charged oxygen atoms apart, forming a rigid crystal honeycomb structure we call ice. The water molecules in ice take up about 9% more space than liquid water, which means ice is about 9% less dense than water.

If you have a gallon of ice and a gallon of water, the gallon of ice will weigh less than the gallon of water. When you put the ice into the water, the denser water pushes the ice to the top where it will float.

This unique property of water is especially beneficial for fish that live in bodies of water that freeze in the winter. Because ice floats, bodies of water freeze from top to bottom. This allows fish to survive deep underwater even when the surface freezes!

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Today's Wonder of the Day was inspired by Tianna. Tianna Wonders, " why do icecubes float in water? " Thanks for WONDERing with us, Tianna! When you've been playing outside all , there's nothing better than at the table with a tall glass of ice water.

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Today's Wonder of the Day was inspired by Rachel from Irmo, SC. Rachel Wonders, " How many countries enter the Olympics? " Thanks for WONDERing with us, Rachel!

The Olympics represent the of sporting achievement . The whole world waits for the competitions to roll around every four years. Surely all 196 countries participate, right? Or are there only spots for the top 100 countries to compete? Maybe the country gets to decide who gets to take part?

Even though the country has many , choosing which countries can compete is not one of them. The Olympics aren't limited to only 100 countries, either. In fact, Brazil welcomed over 10,500 athletes from 206 countries during the summer of 2016!

Wait just a second...206 countries? How is that possible? Aren't there only 196 countries in the world? Although most sources put the number of countries in the world at 196, the International Olympic (IOC) has a slightly-relaxed definition of what a country is for purposes of competing in the Olympics.

For a "country" to participate in the Olympics, it must have a National Olympic (NOC) approved by the IOC. Currently, there are 206 NOCs, although the Kuwait Olympic was in October 2015.

The IOC rules regarding NOCs were changed in 1996. Today, a new NOC can only be recognized by the IOC if it's from a nation recognized as a country by the United Nations. Prior to 1996, however, the IOC recognized NOCs from several dependent territories of other nations. That explains why there are more than 196 "countries" participating in the Olympics.

For example, 204 countries participated in the 2012 Summer Olympics in London, England. That number consisted of 193 of the 196 independent countries (all but South Sudan, Kosovo, and Vatican City). The other 11 "countries" consisted of territories of other nations, including American Samoa, Aruba, Bermuda, British Virgin Islands, Cayman Islands, Cook Islands, Guam, Hong Kong, Palestine, Puerto Rico, and the U.S. Virgin Islands.

If you're about participation in the Winter Olympics, there are far fewer countries and athletes that take part in the Winter Games. This is because many countries around the world do not get the kind of that would allow them to compete in traditional winter sports. At the 2014 Winter Olympics in Sochi, Russia, there were approximately 2,800 athletes from 88 countries.

The Olympics have come a long way since the first Olympic Games in Athens, Greece, in 1896. According to the IOC, 14 countries participated in those first games. It has come a long way to the summer of 2016 with 206 countries competing in Brazil!

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How Many Countries Participate in the Olympics?

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Today's Wonder of the Day was inspired by Rachel from Irmo, SC. Rachel Wonders, " How many countries enter the Olympics? " Thanks for WONDERing with us, Rachel! The Olympics represent the of sporting achievement . The whole world waits for the competitions to roll around every four years.

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soooooo much tech

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How cool would it be to own your own ? Of course, submarines are very . They're also very large. You'd need a lot of water to be able to have fun with it. The average bathtub just wouldn't do.

If you had a , where would you go? Searching for sharks? Exploring the depths of the Mariana or the mysterious Bermuda Triangle? The depths of the sea contain many unexplored frontiers, so your adventures could be never-ending!

Every once in a while, you'd probably want to come up to the surface to see what's going on above water. But how would you do that in a ? It's not like submarines have sunroofs you could open to see what's happening up above.

Submarines feature a special device called a that allows people inside the to see what's going on above water. The word "" comes from the Greek words peri and scopus, which mean "around" and "look."

Periscopes can be used in many ways beyond seeing above water from a . Periscopes were used in World War I to see beyond the tops of trenches. They're also used frequently in armored vehicles, such as tanks, to see outside when all the 's openings are shut tight.

Periscopes are similar to telescopes in how they're built and how they work. The main part of a is a long tube that has a at each end. The mirrors are attached so that they are to each other at a 45-degree angle.

Arranged in this way, the mirrors bounce reflections of light between them. For example, light bounces off the object you're looking at with the . That light enters the and bounces off the top . The light then hits the bottom and bounces into your eyes.

Isn't it cool how a uses simple scientific principles to let you see around corners or even above water from a ? Since submarines often can't come all the way to the surface of the water, their periscopes have special magnifying lenses that make the reflected images bigger, so that you can see them easier.

Historians haven't been able to pinpoint exactly who invented the and when. However, they do know that Johann Gutenberg created a -like device in the 1430s that allowed spectators to see over other people in a crowd at religious festivals.

Today, periscopes feature all sorts of new technology to replace simple mirrors. Some use complex prisms that are much sturdier than regular mirrors. Some newer submarines don't even have periscopes any more. They use special electronic sensors that can be raised above water. These sensors then send electronic signals back to special computers inside the !

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How cool would it be to own your own ? Of course, submarines are very . They're also very large. You'd need a lot of water to be able to have fun with it. The average bathtub just wouldn't do. If you had a , where would you go?

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When you want a drink of water, what do you do? If you're like most children, you grab a cup and head to the . One turn of the faucet yields a nice cool cup of water.

Likewise, when it's time to get clean, you jump in the shower. When you turn the faucet on, warm, water rains down on you from above, washing away the dirt and . But have you ever given much thought to where that water comes from?

Have you ever looked under your kitchen ? Is there a big pot of water under there? Nope! If you've ever taken a peek under the , you probably noticed a series of pipes leading up to the faucet. So where does that cool drinking water ?

Depending upon where you live, there are two basic ways that water gets to your house. If you live in the country on a farm, your water probably comes from a deep located on your property. If you live in a small town or larger city, however, you most likely get your water from a water .

If your water comes from a water , then you will pay fees to a water utility based upon how much water you use. Your water use is measured by a water meter located in your home or on your property.

water utilities provide water to large numbers of customers by one of two means: water or ground water. Ground water is located deep underground in veins of water known as aquifers. It must be accessed by drilling a deep and then pumping it to the . If you have a private on your property, you are using ground water from an .

water, on the other hand, is found at the of Earth in lakes, rivers, and streams. A water utility accesses water by building an to draw water to a location where it can be analyzed, treated, and then pumped out to customers.

Most water utilities tend to rely upon water sources. Millions of people around the world use ground water wells, though. Overall, both sources provide about half of the world's drinking water.

Regardless of its , water must be analyzed to ensure it's to drink. water utilities filter and treat water with certain chemicals to remove impurities and make sure your drinking water is to use.

and treated water that's to drink (called water) is then stored in a reservoir from which it gets pumped through underground pipes (called water mains) to your house. A water known as a service lateral line connects that water main to your house plumbing and brings the water right to your faucet when you turn it on.

water utilities also keep plenty of water in storage in case of emergencies. You may have noticed big water tanks located on the high hills in your town and surrounding communities. These water tanks hold thousands upon thousands of gallons of water that can be used in case of fires and water main leaks.

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Today's Wonder of the Day will take you from deep underground to your shower head!