The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The average home creates more pollution than does the average car.
33
Diamonds can be shattered with a hammer.
-104
Iron weighs more after it rusts.
16
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