Diamonds can be shattered with a hammer.
-104
According to studies, men change their minds two to three times more often than women.
72
The bark of an older redwood tree is fireproof.
65
Each day, up to 150 species of life become extinct.
-23
The force of a suction cup is calculated using F=AP.
15
Nylon is made from coal and petroleum.
42
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75