9781422279106

While comprehensive statistics are not available, sever- al animal rights groups estimate that more than 25 million vertebrate animals (those with a skeleton made of bone) are used in research, testing, and education in the U.S. ev- ery year. The organization People for the Ethical Treatment of Animals (PETA) claims that more than 100 million ani-

This mouse with a tumor is being used in research on how magnets can be used to treat cancer.

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