Do you have a pet? I have a puppy. In addition to mental help, I'll tell you 3 reasons why these pets are good for your health. First, your pet helps reducing your blood pressure. Researchers at New York University found a person raising a pet is more than twice as effective in treating high blood pressure. Second, it helps prevent allergies in child.  The U.S. Institute of Allergy Clinical Experiments has announced that raising a pets in a home with a baby under six months can help prevent allergies and eczema. Finally, pets relieve chronic pain. “When you live with animals, you get more endorphins and these endorphins have the effect of relieving pain,” Dr. Johnson said. In fact, some hospitals are conducting pet treatment for those who have undergone surgery.

 
 It is said that pets also help our health in many ways, such as reducing stress and cholesterol. Isn't it amazing that the pets we thought were cute and adorable have a lot of effects on human health? Thank you for your time.

· 지문 내용 요약: 순응은 일시적으로 변화된 환경에 따라 변화하는 것이지만, 적응은 특정 환경에서 더 번영하고 생존하기 쉽도록 변화하는 능력이 유전되어 전해진 것이다. 

   

Hello, everyone. The passage that I chose is number 38 in 9월 모의고사. It’s about adaptation and acclimation. Adaptation is inherited ability to change to be more prosperous and more viable in a particular environment and acclimation is temporarily changing with the environment. Since I'm interested in biology, I become curious about examples about adaptation and acclimation. So today I’m going to talk about adaptaion and acclimation of oceanic fish and human. 

Do you know that all animals have started from a same ancestor, called LUCA? But now we are different from oceanic fish. That’s because oceanic fish adapted to salty sea and we human adapted to land where the salt is rare. As a result of adaptation, fish secrete a hormone called glucocorticoid to release the salt. Conversely human secrete aldosterone, a hormone that stores salt in the body. Now I’ll introduce the example of acclimation. When human drink little water or take in too much salt, antidiuretic hormones are realsed. With the secretion of antidiuretic hormones, we acclimate to temporarily altered environment. 

Today I introduced you about adaptation and acclimation of oceanic fish and human. I ‘d like to emphasize that both adaptation and acclimation help us survive in altered environment. Thanks to them we are living well. I wonder how future generations will adapt or acclimate to future environment. That’s all for today. Thank you for listening. 

It is about stem cell research;Stem cells are cells that have not yet been differentiated and can be differentiated into other cells.

Today, I'd like to introduce you to the ethical issues of stem cell research.

Have you ever heard about an embryo cloning experiment.

An embryo cloning experiment is the process of using embryonic stem cells before differentiation into a particular organ to create a particular tissue and replace it with damaged or aged tissue.

This starts with the controversy over whether the embryo is viewed as a living thing.

The opposition to this says it ruins the right to life and human dignity.

The proponents focus on the advantage of this being able to solve a number of diseases.

There are these advantages, but I think it's dangerous because illegal egg markets can be formed when embryos are cloned.

There is also a high probability of developing diseases due to immune rejection or genetic problems.

Likewise, embryonic cloning through stem cell research is against bioethics.

Also, the expected effects are good, but the problems that arise are also serious.

But it would be nice to be able to program adult cells and make stem cells, as shown in this text.

This would not be contrary to bioethics and could only be used to treat diseases.

Thank you for listening.

If the amount of sugar exceeds a certain level, sugar should be listed first. However, it is to make the ingredients of sugar, and people don't know the exact information when they first write down sugar. After reading this writing, I was interested in the kinds of sugar and the disadvantages of sugar, so I researched it. 

The sugar is divided into simple and complex sugars. Usually, sugars are simple sugars, and starch and dietary fiber are complex sugars. Simple sugars have nothing to decompose, so they are mostly absorbed as soon as they enter the body and raise blood sugar levels in the body. When blood sugar levels rise, insulin is secreted to lower blood sugar levels. If you take a lot of simple sugar, insulin function will not work properly. that may cause obesity diabetes. Also, we will try not to feel full.

Complex sugars take time for enzymes to break down. That's why the blood sugar level rises slowly. In addition, these sugars promote skin aging, cause stress, and convert to fat. 

in this way, there are many disadvantages in sugar. The Simple sugars is worse than the complex sugars. so, let's reduce sugar intake or eat complex sugars rather than simple sugars. Thank you for listening.


수정본
Hello, I'm going to talk about number G14 in Xi-story.

If the amount of sugar exceeds a certain level, regulation says that sugar should be listed first. However, it is to make several different kinds of sweeteners, so people don't know the exact information when they first wrote down sugar. After reading this writing, I was interested in the kinds and the disadvantages of sugar, so I researched it. 

The sugar is divided into simple and complex sugars. what we say usually  is simple sugar, and starch and dietary fiber are complex sugars. Simple sugars have nothing to decompose, so they are mostly absorbed as soon as they enter the body, raising blood sugar levels in the body. When blood sugar levels rise, insulin is secreted to lower blood sugar levels. If you take a lot of simple sugar, insulin function will not work properly. it may cause obesity diabetes. Also, we don't feel full.

Complex sugars take time for enzymes to break down. That's why the blood sugar level rises slowly. In addition, these sugars promote skin aging, cause stress, and they convert to fat. 

In this way, there are many disadvantages in regulating sugar. so let's reduce sugar intake or distinguish complex sugars rather than simple sugars when you eat food. Thank you for listening.

It is about an animal as an assistant for psychotherapy. I have interested in psychology, so an animal as an assistant is helpful in therapy was interesting for me. Today, I'd like to introduce you to why they are helpful for mental illnesses such as depression.

Have you known that an animal help patients with mental illnesses? A research team at Chester University asked patients with a mental illness living with pets (cats, dogs, birds, hamsters, etc.) about the relationship and networks that help them control their usual mental health. Interestingly, patients of 60% said that the most helpful one is animals.

Researchers cite that people who experienced mental illness are painful because of societal alienation and prejudice. So the animal can be an important role by offering a close relationship and dismissing a bad influence. Also, they make patients work out that they didn't think about if they are alone.

Likewise, an animal is helpful for psychotherapy. when you are depressed or sad because of your test or grade, you just talk that to the animal or stay on your animal's side if you have your animal.

It must make you better! Thank you for listening

- 지문: 자이스토리 L17
- 지문 요약: 음식( 좋은 생활 습관 ) 이 유전자 발현에 영향을 미친다 (=후성유전)

Hello, everyone.

I'd like to introduce you the L17 passage of Xistory.

 This article says that we can control the genes. It means that healthy food can directly affect gene blueprints.

After reading this text, I remembered hearing from a genetic expert. He said that depending on what lifestyle you have and what food you eat affects gene expression. So I investigated it in more detail.

 After researching it, I found out that it was related to 'heritable inheritance'.

This means that the genes you get from your parents are unchanged, but your fate can change as you manage it later.

Even if you get cancer from your parents, if you take care of your health, eventually the cancer gene will be blocked and you won't get cancer!

 I'm sure you've looked up healthy meals, or foods that prevent certain diseases at least once. Didn't you admit that food has a specific effect on gene expression in this way?

Rather than being frustrated and giving up on receiving a bad disease gene, why not block it with good environmental habits? Just like the guy who defeated the cancer gene among the twins! Thank you for listening.

○ 지문: 자이스토리 K11

○ 지문 내용 요약: 눈으로 볼 수 없는 분자와 원자의 인지(화자는 고대 그리스인들이 처음 원자 이론을 떠올렸던 방식으로 눈에 보이지 않은 분자를 떠올림)

Hello everyone^^ I'm going to talk about K11 in Xi-story. The topic is the perceptions of molecules and atoms that cannot be seen with the eyes.

The writer thinks invisible atoms when he know that he could think food just smell in a restaurant. The ancient Greeks also realized the atoms exist and molecules in this way.

After reading this text, I think science article that I recently read.

so I'm going to introduce it.

It's a microscope story where you can see atoms.

Before I explain, everyone knows 2 facts.

First, everyone maybe knows 'molecules and atoms are very very small(WE NEVER SEE THAT). Second, We knows that we can't see it with the best-function microscope.

But, We maybe soon be able to see atoms.

It is using “scanning tunneling microscope”

The principle is to use the properties of electrons move in a state that spread like clouds.

If you place electric object around electron, electron moves on the electric object.

This situation is call tunnel current, and if you keep that move the electricity and read it in the computer, you can see atoms.

It is similar to you read atoms the same way that a blind person reads braille.

Thank you for listening Bye Bye!^^

지문 내용 요약: 중력이 있기 때문에 물체의 높이의 따라 공간의 불균형이 생기고, 사람들은 수직의 선을 높게 이등분한다.

  Hello everyone, The passage that I chose is No. 12 in Chapter 11 of 수능특강. In this article, the higher the object goes, the higher the potential energy increases. It's against gravity and overcoming resistance. To go down is to surrender to gravity. In order to raise an object that was on floor, 'work' is required. I’ll explain the relationship between gravitational-potential energy and work in more detail based on what I learned in physics class.
  Gravitational-potential energy means that the higher the object is, the greater the potential, and is included in the mechanical energy with the kinetic energy. The gravitational-potential energy is proportional to the mass of the object and the height away from the floor. Work is what external forces give to objects, and the energy of objects changes as much as they work. If an object is lifted at constant speed, the amount of change in mechanical energy and the amount of change in gravitational-potential energy are equal because there is no change in kinetic energy. that is, the work done by external forces is equal to the amount of change in potential energy.
  In fact, the gravitational-potential energy is relative. When measuring the height from the ground, there is no exact standard for the ground. In gravitational-potential energy, differences are more important than exact values, so the criterion is established wherever you put it. If the gravitational-potential energy at infinity is set to zero, the energy on Earth becomes negative. In general, the gravitational potential energy on the intuitive surface is set to zero.
  This knowledge of physics allows us to better understand the world. Merely analyzing the visible motions mechanically can be interesting beyond academic discipline. I want people to think of mechanics as fun rather than just difficult. Thank you for listening.

Have you ever heard of ‘average life expectancy’? ‘Average life expectancy’ is a statistic that indicates how long people will live on average. However, contrary to popular belief, it is a statistic that shows how long children will live. That is why, at that time, medical technology was very poor compared to today, so the mortality rate of young children was high. According to archaeologists, only about 10 out of 20 babies survived in prehistoric times. In other words, the reason that the life expectancy of ancestors was low in the statistics was that children with weak immunity at the time had a short lifespan, so the ‘average life expectancy’ based on this information had no choice but to cause an error.

If we simply accept information like this and produce statistics, we need to publish statistics in consideration of the fact that the information can create errors and give modern people a wrong perception, which can be deeply perceived by people. thank you

지문 내용 요약: 도시 재생 프로젝트를 할 때는 겉으로 보이는 건물의 탈바꿈보다 주민들의 생활 향상에 도움을 주는 방향으로 진행되어야 한다.

Hello everyone. The passage I chose is E4 in 자이스토리. It argues that urban regeneration projects should be carried out in a way that helps improve the lives of all citizens rather than the outward transformation of buildings. I'm interested in the social meaning of architecture, so I will introduce an example and points of urban regeneration projects in relation to this passage.

First, I will tell you the story of the

1988 Seoul Olympics. As the Olympics is a festival for people all over the world, it was a great opportunity to show our country to everyone. It was the first time for Korea to host the Olympics, so Korea prepared harder for the Olympics than anything else. And the government proceeded with the reorganization of the city. But behind this splendid figure was a dark shadow. The government decided to demolish many buildings, so citizens who suddenly lost their homes strongly opposed. But the government forced the demolition to avoid showing this to foreigners. In the end, this resulted in tens of thousands of Olympic refugees.

Likewise, urban regeneration, which focuses only on the appearance, can cause the suffering of citizens. Poverty and the gloomy state of the city, which are invisible but still exist in reality, will never disappear just by denying them. Therefore, urban regeneration should help citizens' lives rather than transforming urban buildings. 

That's all for today. Thank you for listening.

지문 내용 요약: 천천히 의식하며 먹는 것의 가치

Hi, everyone. I’m going to talk about number 29-1 in 수능특강.

Today, I would like to introduce how eating slowly affects us.

Most of the Korean people's meal time is short. A research institute surveyed thousands of people and found that nine out of ten people didn’t eat more than 15 minutes. It takes about 20 minutes to recognize that your brain is full. Eating food quickly can lead to overeating because you don’t get a sign that your brain is full in the hormone-and-receiving system, so you don’t feel full even though you’ve eaten enough food. Conversely, studies have shown that increasing the number of chews per bite can reduce the amount you eat by nearly 15%. Also, if you eat food slowly, you can absorb more nutrients. The longer you chew slowly, the more it helps the digestive process, making it easier for the intestines to absorb nutrients from food. This is also effective in relieving stress and tension. because chewing itself relieves stress and relaxes the mind and body. Conversely, if you eat fast, you will be at risk of various gastrointestinal diseases.

You can see that eating slowly like this has a positive effect on us. If you have had a habit of eating fast, why don't you consciously practice eating slowly from now on?

Thank you for listening.

 

Do you know why Black Friday is always successful? Companies use the facts behind social psychology to boost sales.

First, Black Friday creates a sense of urgency. It’s because there's a time limit for the discount. Another reason for Black Friday's success is close to Christmas. This  dramatically amplifies the sense of urgency. Second, Getting a product at a discounted price hurts critical thinking and rational ability. This turn customer’s brains into buying mode .Companies take advantage of this fact. They set the initial price higher and make it look like they are selling it at a discount. 

 

Everyone will buy things that they don't really need. Maybe even I do. But soon you'll realize that you don't need anything in your hands. I'd like to emphasize that we should not be fooled by Black Friday's hidden strategy. Thak you all for your attendance today.