In today's world of modern science and medicine, a more traditional treatment is once again becoming popular -- animal friendship.

    It is now well-known that people with problems such as heart disease or cancer live longer and get better more quickly if they have pets. Keeping pets lowers blood pressure and makes people less worried. Animals are increasingly important in treating older people who have memory loss(损失) and other brain problems. These people often feel nervous and upset. Activities with animals help them improve their physical condition and also give them joy, entertainment and loving friendship.

    Here is a case that shows the benefits of animals. John was a six-year-old boy. He had no physical problems. He just refused to talk. His older cousin, Ned, had a parrot called Sally, and John used to visit it. When he arrived, Net used to say, “Hi, John!” We all know parrots copy what they hear. After a few visits, Sally began saying “Hi, John!” When John came into the room. Then, one day, John turned to the parrot and replied “Hi, Sally!” Staying with the parrot encouraged John to begin talking.

    Another use of animal helpers is in schools. In some cases, they are used to teach children to get on and share with others, and even to teach them about animals.

    If you want to know more about animal helper programs, you can get in touch with organizations like Riding for the Disabled or do a search about animals on the Internet. You don't have to be an animal trainer or a doctor to join in.

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    The spring season brings warm weather, flowers and other changes for people to enjoy. For some restaurant cooks, the most exciting spring arrival is ramps.

    Ramps are a wild plant in the eastern mountains of North America. They are one of the first plants that grow in the spring, usually between April and May. They are recognized(意识) by their red stem(茎), and two long and wide green leaves. They are also famous for their strong taste, similar to onions(洋葱).

    Ramps are not as well-known as other vegetables, but they have a long history in the United States. In the Appalachian Mountains, ramps have been an important food for a longtime. During spring, it is common for small towns in the Appalachian area to hold large ramp dinners for the community.

    However, over the last 30 years, ramps popularity has grown quickly. They are now a highly-desired vegetable for many nice restaurants in cities like New York and Washington D.C.

    One reason the plant is popular is that it grows in the wild. It is difficult to grow them on farms. Most restaurants get them from foragers, who collect ramps by searching forests for some small pieces of land where they grow. Ramps have a short season. Within a few weeks of full growth, the plant is done for the year. This shot life is some reason for their popularity.

    And that popularity could lead Io their disappearance from Earth. In 1995, the local government in Quebee, Canada, stopped people selling the plant to businesses in order to protect the plant against being over-dug.

    The season is short, but it has not ended yet. If you are in the right place, you still have time to try a taste of ramps yourself.

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    The World Health Organization(世界卫生组织) says air pollution kills seven million people around the world each year. Even if polluted air does not kill us, it can make us very sick.

    However, breathing dirty air may do more than hurt your body. It can also affect(影响) your brain and your ability to think.

A new study shows that air pollution can cause a "huge" reduction(减少)in our intelligence(智商).The researchers reported that long-term exposure(暴露) to air pollution can affect a person's mental(智力的) abilities in two areas: language and math.

Xi Chen, the researcher of the Yale School of Public Health led the study. He and his team found that breathing polluted air can reduce a person's education level by about one year.

    Chen said that the effect(结果) generally is worse for those over 64 years of age, for men and for those with little or no education.

    "The older persons-they are more affected. And we find, quite interestingly, men are more affected than women. And people working outdoors are more affected than people working indoors.

The researchers noted that the effect of pollution on language ability is even more serious as people age, especially among men and the less educated.

    Why were language skills more affected than math? There are two main kinds of tissue(组织)in the brain: white matter and grey matter. White matter is more connected with a person's language skills, while grey matter is connected to our ability to solve math problems. Studies have shown that air pollution has a great effect on the white matter in the brain, but not the grey matter.

    Chen said that air pollution did affect the math skills, just not as much as their language skills.

    Pisces is the twelfth star sign. There is a legend about its name.

    Long, long ago, there was a war between gods and a bad monster (怪物). It lasted ten years. One day, the gods were surprised to find that the monster was coming towards them. The goat god Pan shouted a warning and tried to change himself into a fish. One god, Aphrodite, took her little boy Eros and tried to hide among the bushes near Euphrates River. She was the god of love and her son was the god of war. It is said that two fish swam to carry Aphrodite and her child to safety. Some people also believe that Aphrodite and Eros changed into fish themselves and swam away to safety. Later the fish represent Aphrodite and her son Eros.

    As they appeared in the sky, the two fish were tied together by a rope (绳子). Some said that Aphrodite tied the little boy to her body so that he would not get lost as they swam away to safety. That's the story about Pisces.

    In Western countries, some people believe people will share similar characteristics if they have the same star sign. So if you're born between February 19th and March 20th, your star sign is Pisces. It means that you are generous, easy-going and creative.