Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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Pain occurs when sounds are above 130 db.
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All 13 minerals necessary for human life can be found in alcohol beverages.
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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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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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A human being loses an average of 40 to 100 strands of hair a day.
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On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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