There are few clear areas in which we as a society must rise up united and express our intolerance. 我们作为一个社会，对少数几个界线清楚的问题，必须同心同德地加以对待，明确表示决不宽容。 The most obvious now is drugs. 目前，这其中最突出的就是毒品问题。 And whe
Hi, everybody. Earlier this summer, Michelle, Malia, Sasha and I headed west – to the national parks at Carlsbad Caverns and Yosemite. And I've got to say, it was a breath of fresh air. We explore
I'm fascinated with the idea of what happens when you merge biology with technology, 我非常着迷于这点子，要是把科技和生物学融合在一起会发生什么， and I remember reading about this idea of being able to reprogram biology, in the fu
