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Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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 approximately 3 million unintended pregnancies in the United States each year.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.