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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.