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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.