Pumice is the only rock that floats on water.
14
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Your brain is 80% water.
525
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Pure water (H2O) does not conduct electricity on its own.
46