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Inputs to the modern synthesis, with other topics (inverted colours) such as developmental biology that were not joined with evolutionary biology until the turn of the 21st century [103] Biologists, alongside scholars of the history and philosophy of biology, have continued to debate the need for, and possible nature of, a replacement synthesis.
The 1920s (pronounced "nineteen-twenties" often shortened to the "' 20s" or the "Twenties") was a decade that began on January 1, 1920, and ended on December 31, 1929. . Primarily known for the economic boom that occurred in the Western World following the end of World War I (1914–1918), the decade is frequently referred to as the "Roaring Twenties" or the "Jazz Age" in America and Western ...
Advances in biology led to large increases in food production, as well as the elimination of diseases such as polio. A massive amount of new technologies were developed in the 20th century. Technologies such as electricity , the incandescent light bulb , the automobile and the phonography , first developed at the end of the 19th century, were ...
The 1920s was a period of social revolution, coming out of World War I, society changed as inhibitions faded and youth demanded new experiences and more freedom from old controls. Chaperones faded in importance as "anything goes" became a slogan for youth taking control of their subculture. [ 75 ]
The Progressive Era (1890s-1920s [1] [2]) was a period in the United States during the early 20th century of widespread social activism and political reform across the country. [ 3 ] [ 4 ] Progressives sought to address the problems caused by rapid industrialization, urbanization, immigration, and political corruption as well as the enormous ...
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
Cultural evolution is an evolutionary theory of social change.It follows from the definition of culture as "information capable of affecting individuals' behavior that they acquire from other members of their species through teaching, imitation and other forms of social transmission". [1]
April 3 – Mary Katharine Brandegee, American botanist (born 1844). April 8 – John Brashear, American astronomer (born 1840). April 9 – Moritz Cantor, German historian of mathematics (born 1829). April 26 – Srinivasa Ramanujan, Indian mathematician (born 1887). June 20 Marie Adolphe Carnot, French chemist and mining engineer (born 1839).