One third of the electricity produced on earth is used to power electric light bulbs!
75
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Cold water weighs more than hot water.
93
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
A cubic yard of air weighs about 2 pounds at sea level.
31