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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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Medication errors are three times higher among children and infants than with adults.
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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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.