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TED-Ed演讲:动物有语言吗(2)

Their alarms calls indicate the predator's size, shape, speed, and, even for human predators, what t ...

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TED-Ed演讲:引力与人体(2)

You know, all life developed here on Earth with gravity being present, so life evolved under the inf ...

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TED-Ed演讲:我们为何哭泣(2)

The gas stings Iris, and suddenly, she can't help it, she starts weeping uncontrollably.这种气体刺激 ...

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TED-Ed演讲:引力与人体(1)

Some of the issues that are important if you want to have people in space for long periods of time. ...

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TED-Ed演讲:周二是什么颜色的?探索联觉(1)

Imagine a world in which you see numbers and letters as colored even though they're printed in black ...

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TED-Ed演讲:周二是什么颜色的?探索联觉(2)

Once established in childhood, pairings remain fixed for life.一旦在儿时建立了联系,关联感觉间的联系 ...

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TED-Ed演讲:什么是脂肪(1)

Olive oil is 100% fat; there's nothing else in it.橄榄油含有100%的脂肪,除此之外没有别的。Pancake mi ...

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TED-Ed演讲:我们为何哭泣(1)

Our story is about a girl named Iris.我们的故事是关于虹膜女孩的。Iris is very sensitive. So much tha ...

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TED-Ed演讲:什么是脂肪(2)

Now, even though both of these molecules are made up of exactly the same building blocks, they are t ...

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TED-Ed演讲:为什么油水不能混合(1)

Why does salt dissolve in water but oil doesn't?为什么盐可溶于水而油却不行呢?Well, in a word,chemis ...

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TED-Ed演讲:什么是疼痛(2)

But modulation networks are also activated that deliver endorphins and enkephalins, chemicals releas ...

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TED-Ed演讲:压力会造成青春痘吗(1)

She's only a few feet away.她就在不远处。The closer he gets, the more nervous he becomes, the buddin ...

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TED-Ed演讲:压力会造成青春痘吗(2)

The hypothalamus, the master controller of your hormones, releases something called corticotropin-re ...

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TED-Ed演讲:为什么油水不能混合(2)

As liquid water, these molecules are engaged in a constant and random square dance that is called th ...

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TED-Ed演讲:什么是疼痛(1)

Let's say that it would take you ten minutes to solve this puzzle.假如你要用十分钟完成这个拼图。How ...

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TED演讲:对最近气候趋势的警告(4)

Frosty the coal man is a jolly, happy soul.雪白煤碳先生是个快乐的精灵。He's abundant here in America ...

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TED演讲:对最近气候趋势的警告(3)

In the last five years we've added 70 million tons of CO2 every 24 hours -- 25 million tons every da ...

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TED演讲:和老年痴呆症说再见(5)

Even before scientists sort this out, this information is actually really good news for us,即使科学 ...

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TED演讲:和老年痴呆症说再见(7)

Let's imagine that your amyloid plaques have reached that tipping point.假设你的淀粉样斑块已经达到临 ...

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TED演讲:和老年痴呆症说再见(8)

How can this be? We think it's because these nuns had a high level of cognitive reserve,这是怎么回事 ...

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