When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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A person can live without food for about a month, but only about a week without water.
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Poor eyesight (myopia) is associated with higher IQ.
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Your thumb is about the same size as your nose.
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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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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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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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On average, there's 100 billion neurons in the human brain.
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