|
|
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?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.