If the chemical sodium is dropped into water it will immediately and violently explode.
67
A ball of glass will bounce higher than a ball made of rubber.
73
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The bark of an older redwood tree is fireproof.
65