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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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If you could remove all of your skin, it would weigh up to 5 pounds.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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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.

"a) To begin push-hands exercise, touch hands. b) Then lean into each other with your full ... "a) To begin push-hands exercise, touch hands. b) Then lean into each other with your full ...
Hail is precipitation in the form of hard, rounded pellets of ice. Hail is precipitation in the form of hard, rounded pellets of ice.
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Survivorship curves for people in the United States in the early 20th and early 21st centuries Survivorship curves for people in the United States in the early 20th and early 21st centuries
Video: Mendel's Principles of Inheritance (Father of Genetics)

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