Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
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The human sigh acts as a physiological reset button.
23
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Enamel is hardest substance in the human body.
61
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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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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