Research has determined that most people are happiest at 7:26pm on a Saturday night.
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There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
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Gorillas can catch human colds and other illnesses.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Our Right Lungs takes more air than our left lung.
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