The human brain has the capacity to store everything that you experience.
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Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
If you are cold you are more likely to be hungry because you use energy to keep warm.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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It takes about 20 seconds for a red blood cell to circle the whole body.
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The human brain uses approximately as much energy as a 10 watt light bulb.
120