What is the use of "lotus root stem silk"? Why is it mixed into ink and sold for more than gold?

稀土是什么？“中东有石油，中国有稀土”！了解中国稀土的重要性

lengkepu

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

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Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

haoqiwanhuatong

20 Views

Why doesn't it hurt when a needle is stuck in my finger?

yaki1

36 Views

The Intersting Reaction of Silver

WozhijiezhuBzhan

768 Views

Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

haoqiwanhuatong

21 Views

What happens when a poisonous wasp stings a leech?

qiyiqiushiyanshi

17 Views

Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

haoqiwanhuatong

21 Views

How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

16 Views

How awesome is Jackie Chan’s animation? It’s tailor-made in the United States and has dominated TV s

cheng____yingmiguan

18 Views

[Friesian horse] Running videos mix

Xingyunlieshou

662 Views

Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

haoqiwanhuatong

16 Views

From 5 cm to 5000 km, visual comparison of the size of sea monsters in movies, TV and games

palmer_collins_03

10 Views

The Butterfly Effect

q-limes

38 Views

Some not-so-cold knowledge in Genshin Impact [Issue 28]

QiurenLin

52 Views

Some not-so-cold knowledge in Genshin Impact [Issue 19]

QiurenLin

65 Views

Some not too cold cold knowledge in Genshin Impact [Issue 20]

QiurenLin

123 Views

Some not-so-cold knowledge in Genshin Impact [Issue 29]

QiurenLin

26 Views

jjking: Is this the No. 1 top lane Nunu in the Chinese server!?

bbggzhushizimiao

8 Views

How corrosive is aqua regia? A man used a truckload of aqua regia to dissolve 8 tons of gold. Do you

lengkepu

2 Views