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Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
Did you know?
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.