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
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
A cubic yard of air weighs about 2 pounds at sea level.
31
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Most dust particles in your house are made from dead skin!
67
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155