华盛顿微型画展吸引众多观众

Allow your imagination to fly. This is the fantasy version of Washington ’s Mall. It is all in miniature and all made with natural plant materials. Holly Shimizu is the executive director of the U.S. Botanic Garden. “We hired a m...
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采取措施防止禽流感的蔓延

At the Sarpi border crossing in northeastern Turkey , officials in neighboring Georgia are spraying vehicles with disinfectant in an attempt to check the spread of avian flu. To the east of Turkey , Iran is also taking preventive meas...
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一个患有先天缺陷脊柱裂的伊拉克女孩术后康复

Noor al-Zahra, nicknamed “Baby Noor,” came from Iraq to the U.S. southern city of Atlanta , Georgia after an American National Guard unit from Georgia discovered the infant’s family living in poverty in Baghdad . The soldiers not...
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新奥尔良市居民担心公共卫生构成危险

It’s the neighborhoods. More than seven months after Hurricane Katrina unleashed her fury on this Gulf Coast City , most of New Orleans is still a remarkably desolate place. Flood-damaged homes have been turned inside out with the belongin...
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科学家发现在极端气候下种植粮食的方法

In this growth chamber in Antarctica , lettuce, tomatoes and cucumbers are being grown alongside flowers. Lane Patterson, of the University of Arizona , runs this chamber at the United States South Pole station and has already spent nine month...
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少数美国少年有吸烟恶习

Brittany Villarreal wishes she had never smoked. “I want to quit so bad, but it’s hard,” she says. According, to the Campaign for Tobacco-Free Kids, a non-governmental group that tries to protect children from tobacco addiction and exposure to sec...
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星尘号飞船返回

After traveling nearly five billion kilometers around the solar system, the Stardust mission is nearing the end of its seven-year journey. If all goes well, the spacecraft will come home with what scientists consider precious cargo: bits of star...
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新型太阳能电池使得太阳能更加便宜

Scientists in California have developed an ultra-thin, solar cell. The manufacturing process is currently long and complicated. But with the tremendous growth of solar power in the United States , it will probably be worth the effort.&nb...
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