The Egyptians invented an everyday calendar. In studies of aging factors, Amy Wagers and Richard T. Lee, HMS researchers in Stem Cell and Regenerative Biology, discover that a substance called GDF-11 reverses cardiac hypertrophy, or thickening of the heart muscle, an important contributor to heart failure. In 1944, scientist Erwin Chargaff had read Oswald Avery's scientific paper, which identified DNA as the substance responsible for heredity. Ancient Egyptians invent lighthouses, including the huge Lighthouse of Alexandria. Java was a Dutch colony and at that time Java became one of the main suppliers of coffee. 3rd century BC: Archimedes uses the method of exhaustion to construct a strict inequality bounding the value of. It began with the Vikings' brief stint . Studying a tiny cluster of nerve cells behind the eye, HMS Neurobiology researchers discover a pathway involved in how the brains circadian clock sends signals that control the bodys daily rhythms. Scientific Discoveries Timeline. In the compendious history, Boorstin not only traces man's insatiable need to know, but also the obstacles to discovery and the illusion that knowledge can also put in our way. Exploration. By the time the Europeans arrived, the descendants of the first colonists have populated all of both American continents. Skip Navigation. Pluto was discovered by astronomer Clyde Tombaugh in 1930. 1497: Italian navigator and explorer John Cabot (ca. Egyptians began to use the civil year or Nile year. History of medicine - Medicine in the 20th century | Britannica Caribbean Islands and America) 1498 CE: Vasco da Gama arrived India: 1503 CE: Leonardo da Vinci started making the painting of Mona Lisa; however . US History Timeline: The Dates of America's Journey. 1869 Paul Langerhans, a medical student [] 1590 - Janssen & Lipperhey work on Compound Lenses. Timeline of the discovery and classification of minerals. 25 Shattuck Street The discovery and advancement of insulin as a diabetes treatment can be traced back to the 19th century. Perhaps the greatest book by one of our greatest historians, The Discoverers is a volume of sweeping range and majestic interpretation.
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