Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house come from dead skin.
48
Hot water can freeze faster than cold water.
181
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114