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Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

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

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Extent of agricultural activity across the planet (data from Foley et al. 2005). Extent of agricultural activity across the planet (data from Foley et al. 2005).
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Video: Corpus Callosum Animation

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