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.
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Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Only humans shed emotional tears.
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You forget 90% of your dreams.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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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.
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