Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
A cubic yard of air weighs about 2 pounds at sea level.
31
Indoor pollution is 10 times more toxic than outdoor pollution.
62
One third of the electricity produced on earth is used to power electric light bulbs!
75
The only letter not appearing on the Periodic Table is the letter "J".
180