Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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Every human spent about half an hour as a single cell.
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Someone on Earth reports seeing a UFO every three minutes.
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Yawns are more contagious among people with closer relationships.
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40% of people who are rejected in romantic love slip into clinical depression.
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Humans blink over 10,000,000 times a year!
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Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
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