One cubic foot of gold weighs more than 1,200 pounds!
78
Research indicates that plants grow healthier when they are stroked.
173
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Cold water weighs more than hot water.
93