The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
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The FDA recognizes 118 routes of administration.
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Thyroid conditions may make getting pregnant impossible.
True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Classification of bones by shape.
Discovering Fossils 19-30
Bones do not allow the X-ray beam to pass through them, resulting in an image of the bones on the ...