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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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There are more nerve cells in one human brain than there are stars in the Milky Way.