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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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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All 13 minerals necessary for human life can be found in alcohol beverages.
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Our Right Lungs takes more air than our left lung.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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