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Videos

3:41
"Assassination Weapon" Castor: Why Is It Widely Cultivated?
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3:31
Why haven't living organisms evolved the ability to breathe fire?
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3:41
Are ants aware of human existence?
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3:11
Why do East Asians have two fewer bones than Europeans and Americans?
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3:13
If we handed 10 billion rabbits over to Chinese foodies, could it solve Australia's rabbit plague?
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3:17
Helan Mountain has been burning for 300 years, causing annual losses of one billion yuan—why dare th
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1:17
Identifying several perpetual motion machines—the last one even skipped the power plant altogether a
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1:37
The sun heats up the earth, so why is the space between the earth and the sun so cold?
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2:46
Is mathematics a science? Is it a human invention or discovery?
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3:13
The strongest evidence yet for dark matter
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7:09
What is the relationship between Native Americans and Chinese?
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2:22
Can't see stars in space?
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3:47
The lunar gold rush is about to begin. China releases the world's most accurate lunar geological map
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5:49
We discovered that time really exists
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1:30
What happens if you drop ice into liquid sodium?
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1:40
Why do uncontrollable stampedes happen? How can you save yourself in a stampede?
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3:09
How do optical fibers transmit light and signals?
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1:55
For the first time, humans have tested their ability to defend against near-Earth asteroids!
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2:38
Why does copper burn green?
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1:33
Malus's Law: A Magical Optical Experiment
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