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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Did you know?
There are 60,000 miles of blood vessels in every adult human.