Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
According to studies, men change their minds two to three times more often than women.
72
A cesium atom in an atomic clock beats over nine billion times a second.
43
The bark of an older redwood tree is fireproof.
65
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41