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Wood frogs are amazing little amphibians that can freeze during the winter and thaw out in the spring and still survive. What can we learn from them? The Smithsonian Channel takes a closer look.

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What can you learn?

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How Bird Vomit Helps Us Understand History

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Sounds disgusting, doesn't it? How in the world can bird vomit help us learn about the past history or ecology of an area? What can be found in a regurgitated pellet that may provide clues?

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Octopus!

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If Your Hands Could Smell, You'd Be an Octopus | Deep Look

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Exactly how does those octopi suckers work and how useful are they? Take a look and learn more!

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Night NInjas!

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Owls are night ninjas? What are some adaptations that owls have that make them such successful nocturnal predators? How are their body structures different from those of humans? Watch this lesson and learn more!

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Bears and their diets!

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Studying grizzly bears can assist humans? Learn how researchers are investigating the mechanisms of hibernation in the grizzly bear in hopes of discovering a potential cure for diabetes.

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What an animal leaves behind can be a key to how they lived...

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Let's face it, poop is a bit gross. Then, why are paleontologists so excited when they find fossilized feces of any kind? What can we learn from the deep, dark, dirty secrets hidden in what paleontologists call coprolites?

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"Hoo" is it that doesn't love an owl?

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Watch and learn about the migration of one snowy owl, Baltimore. How did scientists track this owl's migration and where did he go?

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Wow, it's a sea cow!

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Manatees are a uniques species found only in shallow, warm waters. What characteristics make these giant, slow moving creatures so special?

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What is threatening them and why?

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These Crazy Cute Baby Turtles Want Their Lake Back | Deep Look

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What are some threats to native turtles and their habitats? Why might turtles be the perfect species to try to restore back into a habitat? Watch this lesson and learn more about turtle conservation biology and its goals. Then, visit the Dig Deeper section to learn about the perils faced by all kinds of turtles.

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How DO they get so BIG?

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Why Are The Biggest Animals on Earth Vegetarian?

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Think for a minute about the difference in size between an elephant and a lion. Why might it be advantageous for a herbivore to be large and a predator to be smaller? What evolutionary advantage might size differences provide to each type of organism?

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How would sharks disappearing upset the balance of the ocean?

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We may have been taught to be scared of sharks, but perhaps, it is the sharks who should be afraid of humans. What is the truth? What would happen to an ocean with no sharks?

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Rats helping humans, now there's a new idea!

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The Bomb-Sniffing Rats Saving Lives In Mozambique

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Rats have a bad image that is hard to dispel. Vermin, garbage, filth, and infestation are all words that are commonly used to describe rats. But, what if you were told that rats save lives, and have helped to make life safer for many people? Watch this lesson and learn!

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Salamanders play a key role in the ecosystem. Find out more here.

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Save the salamanders, unsung heroes of the forest

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Salamanders are amazing little organisms with a large total biomass. Watch this lesson and learn about the immense role these tiny inhabitants play in the forest ecosystem!

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Cutest little things ever!

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Wild Inside the National Zoo: Raising Red Pandas

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Have you ever seen a Red Panda? They are adorable little creatures that are now endangered. What are conservationists doing to try to remedy this situation? Visit the Smithsonian and find out.

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Find out more...

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The Animal That Wouldn't Die (w/Robert Krulwich)

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Is it possible for an organism to live forever? What kind of experiment could be designed to test whether an organism could exhibit immortality? Take a look and learn!

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Would you kill one owl to save another?

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The idea of killing off one species to save another is loaded with controversy. What could have happened in an ecosystem that would cause this kind of dilemma and the need to do such a thing?

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What happens when you add wolves back into an ecosystem?

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How can the addition or removal of one species have an impact on other species? Watch and learn what happens to an entire ecosystem as wolves are reintroduced to Yellowstone National Park.

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From the death of one organism may arise the survival of another. The decomposition of a whale supplies immense nutrients to those organisms that consume it. How long does it take for it to completely be recycled?

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Nuts about squirrels? This lesson's for you!

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Watch These Frustrated Squirrels Go Nuts! | Deep Look

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You walk through your neighborhood every day and see squirrels busily running back and forth, their tails flicking back and forth. Are they trying to tell each other something? What could those tail movements mean? Take some time and learn more about squirrel communication and why scientists might be trying to interpret it.

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How might studying the tongue of a cat help us develop something useful for man?

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Why Does Your Cat's Tongue Feel Like Sandpaper? | Deep Look

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Cats are continually cleaning themselves and the results are usually beautiful! Why is this so important and what adaptations does the cat have that allows it to successfully groom itself in such a way?

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What exactly makes the skunk smell SO bad and where does it come from? While the visual may be a bit disturbing, Gross Science has the answer for you!