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Popular Science - Popular Science Free Videos
00:59
Will wearing glasses for a long time really deepen myopia? The owner of the optician doesn't say anything, but you know
Life
118
01:09
Mobile broadband is so slow, why are there 157 million users installed? Is there anything catty behind it?
Life
234
04:43
Why does 404 denote that a web page does not exist?
Life
210
01:37
What's the difference between a pension and a pension? There is a big difference between them.
Life
221
01:09
Why doesn't the truck brake even when it hits? Truck driver, I can't blame it.
Life
219
01:40
How long has it been since you were in the circle of friends?
Funny
260
02:11
The straight line between the two points is the shortest. Why do civil aviation aircraft follow a curve? Knowledge has gone up.
Entertainment
189
00:59
China's tobacco companies earn 1000 billion yuan a year. Why can't they make it into the top 500 in the world? I've finished reading it.
Entertainment
147
01:00
Which is more popular in the next 10 years, house or money? Experts say nothing at all.
Funny
146
01:06
If you smoke 20 cigarettes a day, how will your body change after 20 years? See the Knowledge Up
Health
201
02:49
What is the hair on a tire for? Learn these three points and never be afraid of being cheated by a garage
Life
122
01:08
The problem that troubles many young people is whether to turn off the phone when charging it. Look at the official answer
Life
163
02:11
Why are body armor vest? Is it not safer to wrap hands and feet? Read through the expansion of knowledge
Funny
138
01:50
How wonderful is Neptune? A pit is bigger than the earth, and the wind speed is equal to the earth's typhoon class 100.
Anecdote
168