Scientists aren't sure what color dinosaurs were.
312
A cubic yard of air weighs about 2 pounds at sea level.
31
A ball of glass will bounce higher than a ball made of rubber.
73
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The force of a suction cup is calculated using F=AP.
15
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11