Cold water weighs more than hot water.
93
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Pumice is the only rock that floats on water.
14
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A cesium atom in an atomic clock beats over nine billion times a second.
43
The sun is 330,330 times larger than the earth.
75
Sound at the right vibration can bore holes through a solid object.
134
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13