Only 1% of bacteria cause disease in humans!
2
A human being loses an average of 40 to 100 strands of hair a day.
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India used to be the richest country in the world until the British invasion in the early 17th Century.
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Poor eyesight (myopia) is associated with higher IQ.
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One out of 20 people have an extra rib.
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A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
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