The human brain has the capacity to store everything that you experience.
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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The average sperm cell swims at 8 inches per hour.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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