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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.