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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.