|
|
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.