The average adult has about 21 square feet of skin.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
The giant grass hoppers are invading the city!
Apollo Belvedere (detail), Roman copy after a 4th-century BCE Greek original.
Funerary mask (Mask of Agamemnon), from Grave Circle A, Mycenae, Greece.
Working and Living and Playing in the City Dump of Phnom Penh, Cambodia
Reconstruction Drawing of the Agora (Marketplace), Athens