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Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.