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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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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.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.