Eat the bark, mainly the phloem which is rich in sugars!

You don't know about condoms!

shenluoli_02

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The real sperm collection room in the hospital is amazing! If you have any difficulty in collecting

dang_fan

3 Views

Man's Speed Bump: Obsessive-compulsive Worker

yaki1

2 Views

What are wind dampers? Why do skyscrapers withstand typhoons? It's all thanks to this thousand-ton i

lengkepu

4 Views

Vanity Fair: Uncovering the Hell on Earth Under the Control of South Korea's Chaebols

moerjiac__________

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Blood spurted out for five and a half minutes! (The patient came to see me, had blood pricked on his

shaoniana_03

1 View

DIY

haoyongwujingongju

2 Views

Helping bedridden elderly men use urinals

zaoyuedaojia

1 View

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

deguawadeqiu

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How important is * in hospitals?

suoyoutouxiang_02_01

1 View

The hardest fish in the world, so hard that teeth can't bite it, the Japanese choose to use it as a

tanmi

1 View

Red panda: a cute little thing that can be scared anytime and anywhere

tanmijuzhang

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How powerful is static electricity? A chef's foot creates a blazing fire. Do you know why?

lengkepu

2 Views

From well water to tap water, what have 1.4 billion people experienced in their water use problems?

chapingjun

4 Views

The principle of poisoning teapot

xiugaihoude02_03

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How does a color TV display color images?

tuyalaobai

1 View

Five unpopular pets that can be raised in China!

yang___deduojun

3 Views

【Collection 9】Serious knowledge has been added

zhengjingdezhishi

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The snowy owl, with its snow-white feathers, looks very cute!

deguawadeqiu

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Do you know what this thing is for?

jianyueapp

1 View