Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Your heart beats over 36 million times a year.

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