|
|
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
Did you know?
Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%