Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Most dust particles in your house are made from dead skin!
67
Diamonds can be shattered with a hammer.
-104
Scientists are now able to grow 'beating' heart tissue in a lab!
162
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Nearly 50% of the world's scientists are assigned to military projects.
71
Iron weighs more after it rusts.
68