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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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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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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

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The average office desk has 400 times more bacteria on it than a toilet.

Elephant crossing a river, Kenya. Elephant crossing a river, Kenya.
The Amazon River Watershed The Amazon River Watershed
This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern
In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many
Aedes mosquito, the vector for West Nile virus encephalitis. Aedes mosquito, the vector for West Nile virus encephalitis.
The Nile Delta will be strongly affected by a rise in sea level of 50 cm The Nile Delta will be strongly affected by a rise in sea level of 50 cm
Video: hGH (protein synthesis, growth and development)

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