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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.