科学研究   

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Moyer: And what's the big change in this book, since your original book? Flynn: Well, one of the big surprises is that in Scandinavia, the IQ gains tailed off towards the end of the last...

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Black holes are the most powerful and extreme things in the universe and they are wildly weird and complicated. What would happen if you fell inside one and what are they really? First we need...

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Steve: And then when the biologists come up with different possible scenarios for how life could be, then you can tune your instruments in different ways to look for alternatives to Earth-lik...

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[ Music ] >> You may think you have nothing in common with a creature that lives under water. But at some point in the distant past all mammals shared a common ancestor and that ancest...

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Steve: Because life is really tenacious. Sasselov: Yeah. Steve: You talk in the book about the effect that synthetic biology, we'll call it—you call it various things and ...

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By using one of the most complicated and powerful machines on the planet, scientists have found a way to glimpse back to the very beginning of time itself. This time machine is a particl...

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Steve: And on a simpler level, as you point out in the book, let's say the Earth flew out of its orbit, and was just passing through the galaxy untethered to a star; the surface life would al...

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>> So your back's a real pain. Turns out many back problems are the result of our ancestors' transition from walking on four legs to walking on two. The earliest primates lived in trees...