Pure water (H2O) does not conduct electricity on its own.
46
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Diamonds can be shattered with a hammer.
-104
Most dust particles in your house come from dead skin.
48
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The average temperature at 40,000 feet above sea level is -60 F.
56
The average home creates more pollution than does the average car.
33