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Millennium Seed Bank Project
2023-12-06Nov.7,2007On an unusual old farm in New York City, workers are stashing away the seeds of the future.In this unlikely place, researchers are putting t...
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Where Have All the Bees Gone?
2023-12-06June13,2007Entomologists—scientists who study insects—have a real mystery on their hands. All across the country, honeybees are leaving th...
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Seen on the Science Fair Scene
2023-12-06Every spring, more than 1,000 high school students from around the world compete for millions of dollars in scholarships and other prizes at the Intel...
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Play for Science
2023-12-06Daniel Kunkle spent most of his time in graduate school playing with a colorful puzzle called a Rubik's Cube. And for 20 years, Jonathan Schaeffer...
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Sweeeet! The Skinny on Sugar Substitutes
2023-12-06Cookies, soda, candy, chocolate: It can be hard to resist the temptation of sugary-sweet treats and drinks.But sugar is high in calories, and eating t...
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Chew for Health
2023-12-06Most schools ban chewing gum, but in a few years they might consider changing that rule. Why? Scientists are finding evidence that gum chewing may be ...
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Babies Prove Sound Learners
2023-12-06Jan.16,2008It can be hard to know what newborns want. They can't talk, walk, or even point at what they're thinking about.Yet babies begin to ...
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Heavy Sleep
2023-12-06Weighing too much can damage your health, and obesity is a growing problem for both kids and adults around the world.Sleep might be one answer to the ...
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Treasure in Sunken Ships
2023-12-06Of the tens of thousands of ships on the ocean bottom, only a handful, less than 1 percent, contain negotiable treasure, such as gold and jewels. Most...
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Human Fossils Dated to 195,000 Years
2023-12-06Researchers determined that the specimens are around 195,000 years old.对化石的深入分析使现代人的历史可以追溯到19.5万年以前。A new analysis of bones unearthed(采掘出的) nearly 40 ...