There are more bacteria in your mouth than there are people in the world.
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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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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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The average office desk has 400 times more bacteria on it than a toilet.
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The horizontal fraction bar was introduced by the Arabs.
True-color image of layers of haze in Titan's atmosphere.
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The correct statement about hormones-insulin and glucagon
W. A. Rogers’s engraving, “Out of the Game,” showed one injured boy tending to another. It appeared