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 bacteria in your mouth than there are people in the world.
Did you know?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Mass Loss from a Supermassive Star
Sound Waves from Clarinet
Sound Localization
In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ...
Middle-aged Flavian Woman
The frequency distribution of the allele in Africa, Southern Europe, the Middle East