There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
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Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
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Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
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You can alleviate a tickly throat by scratching your ear.
9
India used to be the richest country in the world until the British invasion in the early 17th Century.
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Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
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