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Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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There are 20 feet of blood vessels in each square inch of human skin.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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