In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
By weight, Bone is five times stronger than steel.
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We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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