The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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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.
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The average office desk has 400 times more bacteria on it than a toilet.
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Vaccines prevent between 2.5 and 4 million deaths every year.
American Bulldog
Extinct North American Megafauna
Native American casinos remain a topic of both controversy and envy. Shown here is Corey Two Crow as ...
Islam in Central Asia
American Government: Roots and Reform, 2009 Edition