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Their alarms calls indicate the predator's size, shape, speed, and, even for human predators, what t ...
君君妹儿
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You know, all life developed here on Earth with gravity being present, so life evolved under the inf ...
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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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Some of the issues that are important if you want to have people in space for long periods of time. ...
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Imagine a world in which you see numbers and letters as colored even though they're printed in black ...
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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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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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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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Now, even though both of these molecules are made up of exactly the same building blocks, they are t ...
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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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But modulation networks are also activated that deliver endorphins and enkephalins, chemicals releas ...
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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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The hypothalamus, the master controller of your hormones, releases something called corticotropin-re ...
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As liquid water, these molecules are engaged in a constant and random square dance that is called th ...
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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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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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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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Even before scientists sort this out, this information is actually really good news for us,即使科学 ...
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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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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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