Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Iron weighs more after it rusts.
16
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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