科学研究   

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Are you alone in the universe? Or are you connected to anything? First of all, you’re part of a group of mammals that’s still very young, but we can make videos already, and build Large ...

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Steve: Gary, How are you doing? Stix: Good Steve. Steve: Traces of a distant past. This is really fascinating that each of us carries, within every cell of our body, these clues that will lead to th...

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These are all based on studies of a fossil lake site in Nevada. At this site, diatoms die each year, float to the bottom of the lake, and establish these thin rocky layers that are lik...

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Britain. Divorce insurance. I do (conditions apply). Ending a marriage is horrid. Insurance might ease the pain. DIVORCE, like any other risk, can be priced and packaged. With half of all marriag...

英国 离婚保险 我愿意申请条件 离婚是可怕的，保险可能缓和痛苦 离婚，像其他任何冒险投资一样，可以标价与打包。由于所有的婚姻中，一半都注定失败，甚至温和的不感情用事者也可能对减少危险的方法感兴趣。 所以，像德国保险公...

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Zorpette: 2008 would be the 15th anniversary of a famous essay that was written by an author and retired computer scientist named Vernor Vinge; and Vinge wrote what is widely regarded as the manifesto...

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Time makes sense in small pieces. But when you look at huge stretches of time, it’s almost impossible to wrap your head around things. So let’s start small with minutes, hours, days. ...

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Consider the southwestern United States. Sandy colored landscape until some lava flows happen. That lava cools and now that black rock is going to be invaded by the sandy colored mice. ...

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Scientists believe black holes lie at the center of every huge galaxy,including our own Milky Way galaxy.The gravitational power of black holes is so strong that not even light can escape from them.As...