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?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Did you know?
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea
DNA molecules replicate to form identical chromatids
The Two New Strands Form in Different Ways
Patient registration form.
The I-9 form.
Example of an employee performance evaluation form.