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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Did you know?
The average adult has about 21 square feet of skin.