Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
One cubic foot of gold weighs more than 1,200 pounds!
78
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The force of a suction cup is calculated using F=AP.
15
Your brain is 80% water.
525
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18