February 28, 2008 THE PRESIDENT: Good morning. Laura and I, as you know, recently came back from Africa, where we saw firsthand how the Emergency Plan for AIDS Relief is saving lives. I had a chance t
But we've also done studies where we try to match what they say with the actual faces. 但是我们也做过研究，尝试将实际的面容与和他们的描述相匹配。 And then we find things like this. 然后我们发现了这样的事情。 So here, this male participant, he
I'm a neuroscientist. And in neuroscience, we have to deal with many difficult questions about the brain. 我是个神经生物学家。在神经生物学研究里，我们需要处理很多关于大脑的难题。 But I want to start with the easiest question and the que
