The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
True-color image of layers of haze in Titan's atmosphere.