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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
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?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.