雇佣诉讼，白人消防员获胜(1)

科学60秒:互帮互助等于长命百岁

Jiminy Cricket may not actually hold the door open for his lady friends, but he can still be _____1_____ : researchers from the University of Exeter discovered that when threatened by predators, ...

科学60秒:识骨知重

We see it all the time on shows like Bones and CSI. Skeletal remains can ___1___ all sorts of clues—gender, age, past physical traumas. But not the person’s weight. Now, scientists say that ske...

科学60秒:渔网设计大赛，感兴趣么？

The numbers of fish and other ocean life have dropped dramatically in the past few decades. That’s because of ___1___, and something called bycatch. More than 300 thousand small whales, dolphin...

科学60秒:地月水不同 彗星释缘由

The Apollo moon missions ended almost 40 years ago. But for lunar scientists, they're ____1____. Researchers studying rocks brought back by astronauts have found that the moon's scarce water has ...