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.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Mass Loss from a Supermassive Star
Water Loss Through Evaporation
Reading and talking about a picture book is one effective way to improve children’s language ...
In the past year, about one in five adults in the United States reported symptoms of anxiety ...
Photo of a sign taken at an emissions test facility.
Elizabeth, a married 35-year-old woman, always thought that she followed a sensible diet