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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The FDA recognizes 118 routes of administration.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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.