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TED-Ed演讲:为什么昆虫的大脑如此神奇(1)

The human brain is one of the most sophisticated organs in the world, a supercomputer made of billio ...

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TED-Ed演讲:为什么有这么多昆虫存在(2)

Insect exoskeletons also work like body armor, protecting insects against the outside world and help ...

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TED-Ed演讲:为什么有这么多昆虫存在(1)

If insects suddenly morphed into large beings, and decided to wage war on us, there's no doubt that ...

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TED-Ed演讲:我们应该食用昆虫吗(2)

Bugs can be eaten whole to make up a meal or ground into flour, powder, and paste to add to food.虫 ...

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TED-Ed演讲:我们应该食用昆虫吗(1)

For centuries, people have consumed bugs, everything from beetles to caterpillars, locusts, grasshop ...

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TED-Ed演讲:为什么竞争者要把店开在彼此旁边(2)

Day three of the ice cream wars, you get to the beach early, and set up right in the center of Teddy ...

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TED-Ed演讲:为什么竞争者要把店开在彼此旁边(1)

Why are gas stations always built right next to other gas stations?为什么加油站总是建在其他加油站旁 ...

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TED-Ed演讲:为什么你的屏幕形状很重要(2)

Now let's do a little quick math.现在让我们迅速算一算。If we compare a major cinematic film produced ...

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TED-Ed演讲:为什么你的屏幕形状很重要(1)

You know, back in the 40s and 50s, the original standard television had a 4 to 3 width to height rat ...

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TED-Ed演讲:估算大数目的妙诀(2)

At first, there seem to be so many unknowns that the problem appears to be unsolvable.乍一看存在太多 ...

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TED-Ed演讲:估算大数目的妙诀(1)

Whether you like it or not, we use numbers every day.不管你喜不喜欢,我们每天都会用到数字。Some numb ...

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TED-Ed演讲:摩尔有多大(2)

Now, back to the mole. Not that mole.现在,回到摩尔,不是鼹鼠。This mole. Yep, this number has a sec ...

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TED-Ed演讲:摩尔有多大(1)

OK, today we're going to talk about the mole.今天我们来谈一下摩尔。Now, I know what you're thinking: ...

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TED-Ed演讲:奥威尔现象(1)

If you've watched the news or followed politics chances are you've heard the term Orwellian thrown a ...

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TED-Ed演讲:什么时候用me, myself 和 I(2)

Then what about "myself?"那myself呢?This grand character is often substituted for & ...

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TED-Ed演讲:为何番茄酱很难倒出来(2)

When ketchup is just sitting around, the tomato particles are evenly and randomly distributed.当番茄 ...

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TED-Ed演讲:为何番茄酱很难倒出来(1)

French fries are delicious. French fries with ketchup are a little slice of heaven.我们都知道炸薯条 ...

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TED-Ed演讲:为什么玻璃是透明的(2)

But this still doesn't explain why light is able to pass through glass rather than being absorbed as ...

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TED-Ed演讲:为什么玻璃是透明的(1)

Take a look out your window, put on your glasses if you wear them.向窗外张望一下,有必要的话,戴上眼 ...

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TED-Ed演讲:安慰剂效应的力量(2)

Nowadays, it's less common to use placebos this way because of ethical concerns.如今,通过安慰剂的这 ...

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