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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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