According to studies, men change their minds two to three times more often than women.
72
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Billions of neutrinos pass unnoticed through your body every second.
6
A cubic yard of air weighs about 2 pounds at sea level.
31
Each day, up to 150 species of life become extinct.
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