Nowadays more and more people are talking about geneticallymodified foods ( GM foods). GM foods develop from genetically modifiedorganisms (有机体), which havehad specific changes introduced into their DNA by genetic engineeringtechniques. These techniques are much more precise where an organism is exposedto chemicals to create a non­specific but stable change. For many people, thehigh­tech production raises all kinds of environmental, ethical, health andsafety problems. Particularly in countries with long farming traditions, theidea seems against nature.

In fact, GM foods are already very much a part of our lives.They were first put on the market in 1996. A third of the corn and more thanhalf the cotton grown in the U. S. last year was the product of biotechnology,according to the Department of Agriculture. More than 65 million acres ofgenetically modified crops will be planted in the US this year. The geneticgenie is out of the bottle.

However, like any new product entering the food chain, GM foodsmust be subjected to careful testing. In wealthy countries, the debate aboutbiotech is not so fierce by the fact that they have a large number of foods tochoose from, and a supply that goes beyond the needs. In developing countriesdesperate to feed fast­growing and underfed populations, the matter is simplerand much more urgent: do the benefits of biotech outweigh the risks?

The statistics on population growth and hunger are disturbing.Last year the world's population reached 6 billion. The UN states that nearly800 million people around the world are unhealthy. About 400 million women ofchildbearing age don' t have enough iron, which means their babies are exposedto various birth defeats.As many as 100 million children suffer from vitamin Adeficiency, a leading cause of blindness.

How can biotech help? Genetic engineering is widely used toproduce plants and animals with better nutritional values. Biotechnologistshave developed genetically modified rice and they are working on other kinds ofnutritionally improved crops. Biotech can also improve farming productivity inplaces where food shortages are caused by crop damage attributable to drought,poor soil and crop viruses.

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    On the morning of May 20, 1927, Charles A. Lindbergh Jr. took off from a muddy airfield in New York and headed for Paris. During the first fourteen hours of flying, he had had some anxious moments. Sleet had gathered on the wings of the plane and the fog was so thick that he could hardly see the tips of the wings. However, he had come across equally dangerous flying conditions before. Of course, now that he was over the ocean, his parachute（降落伞）was useless. He had only one choice: he had to go on.

    Although he had waited a long time to make this trip, he did not feel strange or nervous. He was accustomed to flying alone, and he had flown this route in his imagination many times. The idea of flying across the Atlantic had occurred to him one night when he had been carrying the mail between St. Louis and Chicago. That night, he told himself that a solo non-stop flight between New York and Paris was possible. He knew that airplanes capable of making the long flight over the ocean could be built. A man of skill and endurance could make his dream come true.

    As he was recalling that night, he reduced the altitude of the plane. Close to the surface of the ocean, he found that the ice on the wings began to melt and the fog disappeared. For the time being, at least, he was safe. The steady sound of the motor seemed like music in his ears. He had perfect confidence in his plane because he knew that there was not a more dependable plane than his. The Ryan Aircraft Company had constructed the plane to meet his special needs. He had worked with the chief engineer of the company, Donald Hall, to produce the airplane as rapidly as possible. Although Hall had worked with the basic design of the Ryan airplane, he had had to make many modifications. As a result, it was a very special airplane. He had named it “The Spirit of St. Louis,” in honour of the St. Louis businessmen whose financial backing had made the trip possible. Besides their money, he had invested all of his own savings, which came to two thousand dollars, in the venture.

    At 12:10 on the afternoon of May 21, Lindbergh caught sight of the coast of Ireland. Now that the flight was almost over, he began to relax a little. Finally, after thirty-four hours in the air without sleep, he arrived at Le Bourget Field, in Paris.

The Power of Sound

The music of world-famous guitarist Gabriel Ayala can make you cheer or cry depending on the chords（弦）. As the winner of numerous musical honors, he said," I love the power of sound.

    He was also recently named Native American Music Awards Artist of the Year and he played at the inauguration（就职典礼）of President Barack Obama.

"My concerts are a journey for both my audiences and myself," he says. "Feelings and emotions are all over the board and I am the tool trying to convey those feelings, trying to paint a visual picture through chord changes. Sound conveys power, whether it's a well-performed craze or the wind blowing through the trees. Music isn't just a pretty melody also it's a visual performance that captures moments in life and puts them to music."

    Ayala also shares his gift with kids As a teacher with a master's degree he serves as an advocate（提倡者）for youth education by being a role model. He practices the philosophy of honoring elders, respecting women and loving children. He delivers a message lo youth that they can become whatever they dream of.

The music man has recently launched a non-profit foundation to work more closely with youngsters "I've been blessed in both my career and life and feel I need to give back to pay my respect and hanks for the gift I have owned and I can do that through music," he says.

    One of his experiences in giving back involved a high school class of some 200, which included a special needs group. I used my guitar as a tool to capture their interest and once I began playing, the whole behaviors of the class changed in a positive way. This was especially so for one of the disabled students whose hands would not allow him to even hold my costly guitar.

    When I put the valuable guitar in his lap and he started beating the heck out of it as hard as he could, there wasn't a dry eye in the house. That's the real reason I play music, not for fame or fortune but because music has the power to truly heal. The look on that boy's face was priceless.

    Most people have flown a kite or have seen one ride and dip in strong spring wind. Not so many people know that kites were first made in China thousands of years ago. The ancient Chinese were making and flying kites even before they were writing.

    A long time ago, the Chinese made kites to use in wars. They would fly these war kites in the dark. The kites were fixed so that they made strange sounds. Men who were at war with them would hear these sounds and run away. They thought those strange sounds were made by gods in the sky.

    The ancient Chinese also flew kites to bring good luck and to make their crops grow rich and tall. Sometimes they tied long strings and hooks to their kites. Then they would fly the kites over water, letting the hooks hang down to catch fish.

    The Chinese use sticks, strings and paper for their kites. Some of these kites look like animals or trees. Others look like birds or houses.

    One of the latest trends（趋势） in American Childcare is Chinese au pairs. Au Pair in Stamford, Conn, for example, has got increasing numbers of request for Chinese au pairs from aero to around 4, 000 since 2004. And that's true all across the country.

    "I thought it would be useful for him to learn Chinese at an early age" Joseph Stocke, the managing director of a company, says of his 2-year old son. "I would at least like to give him the chance to use the language in the future, " After only six months of being cared by 25-year-old woman from China, the boy can already understand basic Chinese daily expressions, his dad says.

    Li Drake, a Chinese native raising two children in Minnesota with an American husband, had another reason for looking for an au pair from China. She didn't want her children to miss out on their roots. " Because I am Chinese, my husband and I wanted the children to keep exposed to(接触) the language and culture." she says.

    "Staying with a native speaker is better for children than simply sitting in a classroom," says Suzanne Flynn, a professor in language education of Children. "But parents must understand that just one year with au pair is unlikely to produce wonders. Complete mastery demands continued learning until the age of 10 or 12. "

    The popularity if au pairs from China has been strengthened by the increasing numbers of American parents who want their children who want their children to learn Chinese. It is expected that American demand for au pairs will continue to rise in the next few years.