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Sir Humphry Davy announces the anesthetic properties of nitrous oxide, although dentists do not begin using the gas as an anesthetic for almost 45 years.
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Physiologist Hermann von Helmholtz ) developed his own version of the ophthalmoscope after an early version was forgotten about for 4 years. An Ophthalmoscope lets optometrists look as close into the eye as possible.
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Louis Pasteur and Robert Koch establish the germ theory of disease.
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Ivanoski reported in 1892 that extracts from infected leaves were still infectious after filtration through a Chamberland filter-candle.
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A chemical in Mustard Gas was found to decrease white blood cells
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Blood banks store all types of blood for uses such as surgery
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A pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms.
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Dr. James Hardy performed the first human lung transplant in 1963 in Jackson Mississippi.
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In 1977, Steptoe and Edwards successfully carried out a pioneering conception which resulted in the birth of the world's first baby to be conceived by IVF
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Sensors implanted into the brain automatically send electrical pulses that counter the onset of seizures, so seizures are stopped in their tracks before they even begin.
