‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
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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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Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
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The world's shortest man measures only 21.5 inches.
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