There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Sound at the right vibration can bore holes through a solid object.
134
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Most dust particles in your house are made from dead skin!
67
Diamonds can be shattered with a hammer.
-104
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Most dust particles in your house come from dead skin.
48