The market is not the society. Our societies are, of course, much, much more than the market. 市场不是社会。我们的社会，当然比市场要大许多。 But lack of trust in the market can rub off on society so we lose trust in our soc
Now let's talk about costs. 现在让我们谈谈成本问题。 An energy-intensive version of this technology could cost you as much as $1,000 a ton just to capture it. Let's translate that. 如果仅仅为了捕获一吨二氧化碳而选择在该技术上投入大量能源，其花
So, I decided at that moment that I could either run for the hills, or cast judgment on these young geniuses, 于是，我在那一刻决定，要不就趁早溜之大吉，或者对这些年轻天才进行评判， or instead, turn the judgment into curiosity and actua
The other great principle of evolution is sexual selection, and it operates very differently. 进化的另一大原则是性选择，它运作的方式则大相径庭。 The peacock's magnificent tail is the most famous example of this. 孔雀那华丽的尾巴就是最著名
Eventually, we'll move to a modified Mars time, which is what we're working now. 最终，我们得作息会依照修改过的火星的时间，这就是我们现在在做的。 And that's because it's hard on your bodies, it's hard on your families. 因为这对你的身体和家庭都是
Take a look at this drawing. Can you tell what it is? 请看这幅图。大家知道这是什么吗？ I'm a molecular biologist by training, and I've seen a lot of these kinds of drawings. 我是一个接受过训练的分子生物学家，因此我已经看过了很多这类图片。 They're u
So why did we do it? I think some people were genuinely upset, 我们为什么会做出这样的行为的呢？依我之见，有的人确实是因为被冒犯了， but I think for other people, it's because Twitter is basically a mutual approval machine. 但更多的人是因为推特本
But, someone might argue, that's natural beauty. 但有人也许会争辩，那是自然美。 How about artistic beauty? Isn't that exhaustively cultural? 艺术的美又如何呢？那难道不是纯粹的文化影响吗？ No, I don't think it is. And once again, I'd like
We're at a very interesting place in agriculture in Africa. 我们处在非洲农业非常有趣的节点上。 By the end of this year, we'll have almost one billion mobile phone subscriptions. 到今年年底，我们将会有接近十亿手机订阅用户。 We have the powe
In addition to those kinds of investments, we also need investments in research and development. 除了这些投资，我们还需要人们在研发项目中投资。 So what might that look like? 这意味着什么呢？ In 1966, the US invested about a half a
I can, however, give you at least a taste of what I regard as the most powerful theory of beauty we yet have. 然而，我能给大家体会一下我认为迄今为止我们所有的最有力的关于‘美’的理论。 And we get it not from a philosopher of art, not fro
Today I feel much like I did when I came to Harvard Yard as a freshman in 1999. 我今天的感受跟我99年初到哈佛成为新生时的心情一样。 When you guys were, to my continued shocked and horror, still in kindergarten. 说起这件事我还是很震惊，当时
Over the years, I found that animations aren't just useful for communicating an idea, 多年以来，我发现动画不仅仅便于交流思想， but they're also really useful for exploring a hypothesis. 它们同样在探索假说上发挥作用。 Biologists for the
Maybe there's two types of people in the world: 也许这世界有两种人： those people who favor humans over ideology, and those people who favor ideology over humans. 一种人相信人性高于意识形态，一种人相信意识形态高于人性。 I favor humans ove
So the reason there's a time difference on Mars right now, 火星上的时间和我们现在的时间是不一样的， from the time that we're at is because the Martian day is longer than the Earth day. 因为火星的一天比地球要长。 Our Earth day is 24 h
And what happens then when they are asked to motivate their choices? 当他们被问及为什么会选择这个答案时，会发生什么事呢？ And here we find much more interesting verbal reports than compared to the faces. 在这里，我们发现了比起面部测试更有趣的口头报
And I wrote a book about her and I illustrated it and the things Ruby taught me go like this. 我为她写了一本书，并加以说明Ruby教会了我的东西。 Ruby taught me that you're not supposed to be afraid of the bugs under your bed
Hello, Class of 2015. 2015届毕业生，你们好。 I am so honored to be here today. 今天来到这里非常荣幸。 Dean Khurana, faculty, parents, and most especially graduating students, thank you so much for inviting me. 库拉那校长、各位家长
And all of this matters greatly, because public safety to me is the most important function of government. 所有这些事项都很重要，因为我认为，保证公共安全是政府最重要的职能。 If we're not safe, we can't be educated, we can't be health
Maybe it's time we actually valued wisdom as much as we do disruption. 也许是时候，我们应该像重视颠覆行为一样重视智慧了。 And maybe it's time -- not just maybe, it is time 也许是时候--不仅也许，的确是时候 for us to definitely reclaim the wo
