In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
One barrel of petroleum holds 42 gallons.
20
Diamonds can be shattered with a hammer.
-104
Pumice is the only rock that floats on water.
14
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Balsa wood is classified as a hard wood!
41
A cubic yard of air weighs about 2 pounds at sea level.
31