Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The bark of an older redwood tree is fireproof.
65
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Each day, up to 150 species of life become extinct.
-23
One cubic foot of gold weighs more than 1,200 pounds!
78
Indoor pollution is 10 times more toxic than outdoor pollution.
62
According to studies, men change their minds two to three times more often than women.
72
For every gallon of sea water, you get more than a quarter pound of salt.
45