Did you know?
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
A typical eukaryotic cell.
Structures of a typical cell.
Who Ends Up Poor? Poverty by Education and Race-Ethnicity
A typical ball-peen hammer.
A typical electric cooling fan assembly showing the radiator and related components.
. In which distribution is the mean more “typical” of all scores?