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时差N小时:剑尾鱼(下)

Researcher Molly Cummings and her coworkers at the University of Texas at Austin placed afemale swor ...

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时差N小时:剑尾鱼(上)

So you want to attract a mate. 那你是想吸引配偶喽!After all, passing on your genes is what evolutio ...

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时差N小时:青少年吸毒问题(下)

That may not sound so bad in theory, but downside about this region of the brain is that along with ...

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时差N小时:青少年吸毒问题(上)

What makes adolescents so vulnerable to developing addictions to substances like nicotine, alcohol, ...

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时差N小时:为什么汗液的味道刺鼻?(下)

And once these sweat-loving bacteria really start chowing down, they make the smell of the sweat on ...

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时差N小时:为什么汗液的味道刺鼻?(上)

Our bodies have two main kinds of sweat glands.人体的汗腺大致分为两类。The sweat glands that are dis ...

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时差N小时:怎样防止面包变质?(下)

The water moves to the starch in the crust, which begins much drier than the rest of the loaf.水分逐 ...

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时差N小时:怎样防止面包变质?(上)

How To Keep Bread From Going Stale怎样防止面包变质?Generally speaking, refrigeration helps to keep ...

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时差N小时:什么是儿童早衰症?(下)

When the lamin A protein is normally made, a chemical piece called farnesyl is lopped off.当核纤层蛋 ...

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时差N小时:什么是儿童早衰症?(上)

Progeria was first described in the nineteenth century. The mysterious disease is often thought of a ...

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时差N小时:青少年如何才能更加健康幸福(下)

And teens who smoked were five times less likely to rate high on happiness charts compared to kids w ...

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时差N小时:青少年如何才能更加健康幸福(上)

Teenagers are often a difficult bunch. With all those hormones flooding their bodies, they can be mo ...

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时差N小时:帮助孩子减肥的最佳方法(下)

The researchers looked at eighty 8 to 12 year old overweight or obese children and their parents. Th ...

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时差N小时:帮助孩子减肥的最佳方法(上)

You've probably heard that something like a third of all kids in the United States are overweight or ...

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时差N小时:职场父母如何兼职事业与家庭(下)

The study found that when mom or dad experience high levels of work related stress, their families a ...

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时差N小时:职场父母如何兼职事业与家庭(上)

It should come as no surprise that the more stressed parents are at work, the greater the burden on ...

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时差N小时:人类大脑为何沟壑密布(下)

Scientists at the University of Rio de Janeiro have been trying to figure out what accounts for the ...

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时差N小时:人类大脑为何沟壑密布(上)

"Dear A Moment of Science, I know the human brain is an incredible thing, the most complex ob ...

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时差N小时:我们为何要接吻(下)

Nobody knows for sure. But some scientists think that kissing might help us assess a partner's immun ...

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时差N小时:高压烹饪食物的原理(上)

Cooking Under Pressure高压烹饪When you boil potatoes on the stove top, it can take half an hour to c ...

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