Your brain is 80% water.
525
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
Billions of neutrinos pass unnoticed through your body every second.
6
According to studies, men change their minds two to three times more often than women.
72
Iron weighs more after it rusts.
16
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13