The person who invented the hand-thrown grenade is truly a genius!

Why is honey an ageless food?

wodetouxiang_02_01

2 Views

Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

tanmi

24 Views

How strong is the force of regular CPR? I feel like my ribs are going to break in the next second.

palmer_collins_03

34 Views

The foreigner's giant plow tractor actually has a cab from the last century!

haoqimiaomiaomiaody

23 Views

As long as you use the right method, work won't be that tiring.

haoyongwujingongju

50 Views

The power of science

haoyongwujingongju

52 Views

They say diamonds are forever, but they can be burned and broken.

haoqiwanhuatong

34 Views

Why do we add a layer of metal between the hammer head and the wooden handle? #Science #StressRelief

haoqiwanhuatong

9 Views

Learn a few handy tips for hardware tools—don't miss out!

haoyongwujingongju

13 Views

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

haoqiwanhuatong

26 Views

Introduction to Tequila

yaki1

72 Views

I advise you to quit porn (enlarging testicles)

xuetudexin-

50 Views

What kind of wisdom did the ancients have to design such a sophisticated mechanism?

haoyongwujingongju

32 Views

Why does glass crack along the scratch of a glass cutter? #Science #Unzip #Glass #Physics #Trivia

haoqiwanhuatong

9 Views

When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?

haoqiwanhuatong

29 Views

The Land of Light, Caoxian—actually, this world can't do without you.

jiluchuanboju

9 Views

Are the videos we watched fake? Has wild sex education been fooling us all these years?

danzijihe_04

121 Views

Decompression video of the workers series!

jixiepangke

36 Views

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

yaki1

54 Views

The Fertilization Process of Sperm and Egg

Jinzhengmeiyongde

10 Views