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Discovered difference between measles and smallpox.
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Avicenna writes The Book of Healing and The Canon of Medicine.
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Roger Bacon invents spectacles.
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Roger Bacon constructed the first magnifying glass. The magnifying power of chips of crystal had been known for centuries, but this was the first convex lens designed for scientific purposes. By about 1280, similar lenses would be used to correct farsightedness; now, they are crucial in surgery.
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Leonardo Da Vinci dissects corpses.
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Zacharius Jannssen invents the microscope.
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William Harvey publishes an anatomical study of the motion of the heart and of the blood in animals which forms the basis for future research on blood vessels, arteries, and the heart.
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Allowed study of microorganisms like bacteria
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Antonie van Leeuwenhoek described bacteria.
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Francis Bacon uses microscope to discover plague fleas.
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Claudius Aymand performs the first successful appendectomy.
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James Blundell performs the first successful transfusion of human blood.
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First vaccine developed for cholera.
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First vaccine developed for anthrax.
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Louis Pasteur developed the first vaccine for rabies but did not work.
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Karl Landsteiner introduces the system to classify blood into A, B, AB, and O groups.
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Insulin first used to treat diabetes.
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Jonas Salk develops the first polio vaccine
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The virus that causes AIDS is identified.
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The artificial kidney dialysis machine was invented.
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The first draft of the human genome was announced. Three years later, it was declared complete three years later.
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The Rheo knee, a plastic prosthetic joint that adapts to a user's walking style and changes in terrain, was produced by the Ossur Corporation.
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Dr. Colin McGucklin and Dr. Nico Forraz of Newcastle University developed a liver grown from stem cells. The size of a small coin, it was not an organ that could be implanted in a human.
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First vaccine to target a cause of cancer
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The first womb transplant takes place.
