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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Did you know?
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.