TED演讲:男性避孕药会如何起效(3)
Men make a thousand sperm every second and to have an effective contraceptive, 每秒中,男性可生产出一千个精子,所以有效的避孕药 you need to get that level of sperm production down to one percent of its normal value. 必须把这
TED演讲:男性避孕药会如何起效(4)
Obviously, the impact of such a male contraceptive would go well beyond reproductive biology. 当然了,这样的男性避孕药影响的肯定不只是生殖生物学。 It's interesting to speculate about the effect that it would have on relation
TED演讲:你真的知道你行为背后的动机吗(1)
So why do you think the rich should pay more in taxes? 为什么你认为富人就要多交税? Why did you buy the latest iPhone? Why did you pick your current partner? 你为什么要买最新的(苹果手机)iphone?你为什么选择了你现
TED演讲:你真的知道你行为背后的动机吗(2)
OK, so as you probably figured out now, the trick is that I have two cards in each hand, 那么你现在大概能猜到了,骗术就是我每只手里都拿了两张牌, and when I hand one of them over, the black one kind of disappears into the
TED演讲:你真的知道你行为背后的动机吗(3)
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。
TED演讲:你真的知道你行为背后的动机吗(4)
So the next experiment, it needs a little bit of a background. 下一个实验需要一些背景知识。 So in Sweden, the political landscape is dominated by a left-wing and a right-wing coalition. 在瑞典,国家的政治事务是由左翼和右翼
TED演讲:你真的知道你行为背后的动机吗(5)
But of course, there was also a trick involved. 当然,这里也有诈。 So first, we walked up to people, we asked them about their voting intention and then when they started filling in, 首先,我们找到一些路人,询问他们的投票意
TED演讲:你真的知道你行为背后的动机吗(6)
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
TED演讲:你真的知道你行为背后的动机吗(7)
And here I must point out, of course, that you are not allowed to use this as an actual method to change people's votes before an election, 在这里我还想指出的是,当然,你会被禁止在大选之前使用这项手段来改变人们的投票
TED演讲:你真的知道你行为背后的动机吗(8)
And this is of course important in your professional life, as well, or it could be. 当然这在你的职业生涯中也很重要,或可能很重要。 If, say, you design something and then you ask people, Why do you think this is good or bad? 比如
TED演讲:火星现在是什么时间(1)
So many of you have probably seen the movie The Martian. 我估计在座很多人都看过火星救援这部电影。 But for those of you who did not, it's a movie about an astronaut who is stranded on Mars, 对于没看过的人来说,这是一部关
TED演讲:火星现在是什么时间(2)
So we don't have people on Mars right now, but we do have rovers. 我们现在并没有人类生活在火星,但是我们有漫游者探测器。 And actually right now, on Curiosity, it is 6:10 in the morning. 现在,好奇号漫游者的时间是
TED演讲:火星现在是什么时间(3)
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 E
TED演讲:火星现在是什么时间(4)
So while she's sleeping -- and the rover does sleep at night 当然,在她睡觉的时候,她晚上确实是在睡觉, because she needs to recharge her batteries and she needs to weather the cold Martian night. 因为她需要给电池充电,而
TED演讲:火星现在是什么时间(5)
Hence, the Mars watch. This weights in this watch have been mechanically adjusted so that it runs more slowly. Right? 这就是我的火星手表。这只手表的砝码用机械的方法调整过了,所以它走的相对慢一些。 And we didn't