Why is the atomic weight standard [1/12 of carbon 12]? The reason behind it is heartwarming ❤❤❤❤

A question you must have learned in junior high school, but ignored...

bideerjiedao

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Teacher Ni Haixia: Tianguan, why does one appear every 500 years?

feichangjingdao

65 Views

Nanako really takes her feelings for Shin-chan seriously

labixiaoxintangzi

48 Views

Learn mathematics, physics and chemistry well, magic is everywhere

ciyusang

61 Views

A profession that is easily misunderstood - rope bondage master

tengyuan__angde__aohao

25 Views

What is in this belly...

Juyuanchuangtuandui

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Under the toughest appearance, there is a gentle heart# Hulk

wenmingdepingxian

11 Views

Check out the behaviors of those max-level humans

touxiang____02

209 Views

Coffee: Don’t drink it yet, I’m going to give you a high note that will destroy the whole world

bideerjiedao

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99% of people can't get this junior high school physics question right

bideerjiedao

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Helium, neon, argon, krypton, xenon, radon, which one is the laziest noble gas in the world?

bideerjiedao

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Lao She was never nominated for the Nobel Prize in Literature, and even Mo Yan believed it...

___cun___cun

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Is there something special about having a chip on a jade piece?

____shifu_

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2023 Nobel Prize in Physics: What exactly is attosecond laser?

bideerjiedao

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In case you haven't seen a mushroom that spits bubbles

bideerjiedao

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After watching this video, Newton kicked open the coffin lid and said: Delete it

bideerjiedao

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Why not use tap water to supply water to the swimming pool?

deguawadeqiu

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A drop of water kept me awake for three days and three nights...

bideerjiedao

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Do you hear that? Mimi or gurgle? I almost broke up with my son after hearing that...

bideerjiedao

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The Blueberry video that Bi Dao has played millions of times actually has something wrong?

bideerjiedao

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