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60秒科学:麻雀叫声穿透城市噪音
City dwellers compete with the din of traffic to be heard. And it’s not just urban humans. Sparrows living in San Francisco's Presidio district actually tweet their tunes in a higher registe
2012-04-10 编辑：beck 标签：我来听写
60秒科学:大斋节结束,鬣狗有了免费午餐
Many Christians give up meat for Lent, a practice that indirectly affects…hyenas, believe it or not.许多基督徒在大斋节期间会放弃食用肉类。不论你信与不信，这对鬣狗产生了间接的影响。In northern Ethiop
2012-04-09 编辑：beck 标签：我来听写
60秒科学:YouTube大赛优胜者的太空创意
The first YouTube Space Lab contest has announced its winners. Young people entered by creating a short video of their idea for an experiment to be done in space. I was a judge. One of the two winner
2012-04-05 编辑：beck 标签：我来听写
60秒科学:"苹果"里的青蛙
Scientists discover new species all the time—on the order of 15,000 a year. One of the latest additions to the tree of life is a new type of leopard frog. Which might sound unremarkable, except for
2012-04-01 编辑：beck 标签：我来听写
60秒科学:电子书围剿纸质书
Kindles, Nooks and other e-readers catch flack for threatening the future of printed books. But reading itself may get a boost from the devices. For example, a study of struggling students found that
2012-03-31 编辑：beck 标签：我来听写