|
|
Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
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?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.