Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One ragweed plant can release as many as one billion grains of pollen!
51
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The storage capacity of human brain exceeds 4 Terrabytes.
140
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Iron weighs more after it rusts.
16
Each day, up to 150 species of life become extinct.
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