The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
In zero gravity, a candle's flame is round and blue.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Your brain is 80% water.
525
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Balsa wood is classified as a hard wood!
41
Nearly 50% of the world's scientists are assigned to military projects.
71
One barrel of petroleum holds 42 gallons.
20