Research has determined that most people are happiest at 7:26pm on a Saturday night.
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In one day, adult lungs move about 10,000 litres of air.
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Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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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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Enamel is hardest substance in the human body.
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