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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?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The human body produces and destroys 15 million blood cells every second.