|
|
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.