Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79