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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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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

potassium potassium
Potassium feldspar and plagioclase feldspar Potassium feldspar and plagioclase feldspar
Gating of sodium and potassium channels during an action potential. Gating of sodium and potassium channels during an action potential.
If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ... If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ...
The opening and closing of voltage-activated sodium and potassium channels during the three phases ... The opening and closing of voltage-activated sodium and potassium channels during the three phases ...
Movement of Sodium and Potassium Ions During the Action Potential Movement of Sodium and Potassium Ions During the Action Potential
Video: How Hemoglobin Picks Up and Delivers Oxygen

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