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Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.