The bark of an older redwood tree is fireproof.
65
Hot water can freeze faster than cold water.
181
Iron weighs more after it rusts.
16
Diamonds can be shattered with a hammer.
-104
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
For every gallon of sea water, you get more than a quarter pound of salt.
45
The left ear is more responsive to words of love and emotion whispered into it than the right.
40