In 1864, the first barbiturate (barbituric acid) was synthesized.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Rinne Test, Assessing Bone Conduction
Knee Reflex Test
Piaget’s Test for Egocentric Perspectives on Children
Basic Design of the Driving and Cell Phone Distraction Experiment