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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Iron weighs more after it rusts.
68
Nearly 50% of the world's scientists are assigned to military projects.
71
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