Download Charles Darwin: And the Evolution Revolution by Rebecca Stefoff PDF

By Rebecca Stefoff

On the starting place of Species, released in 1858, remodeled our view of the realm and made Charles Darwin some of the most arguable figures in technological know-how. This biography starts off a lot previous along with his lengthy look for a career, his five-year voyage world wide at the Beagle, and the decades-long highbrow trip he made in his examine and backyard. however it is for his concept concerning the starting place of guy and usual choice that he's remembered. His booklet threw the medical neighborhood right into a heated debate that maintains at the present time, and has made evolutionary biology one of many liveliest components of technological know-how. This new biography appears to be like on the individual in the back of the debate whose earth- shaking discoveries and concepts stay as intriguing and engaging as ultra-modern headlines.
Oxford Profiles in technological know-how is an on-going sequence of medical biographies for teens. Written via best students and writers, every one biography examines the character of its topic in addition to the idea strategy resulting in his or her discoveries. those illustrated biographies mix obtainable technical info with compelling own tales to painting the scientists whose paintings has formed our realizing of the wildlife

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Some biologists are called lumpers, for they avoid unnecessary subdivisions and may lump subspecies into the main species; others are known as splitters, because they are prone to make fine distinctions that split groups into smaller groups. Most of the time, however, the identification of species is remarkably consistent, whether the observer is a highly trained scientist or a local hunter drawing upon traditional lore. On the rain forest island of New Guinea, Western zoologists have sighted more than 700 bird species.

Later Darwin was to say that his friendship with Henslow was the most important influence on his entire career. Sedgwick, too, broadened Darwin’s intellectual horizons by teaching him about field geology. Darwin was impressed by the older man’s ability to read the earth’s history from the rocks. Listening to Sedgwick, he suddenly saw science in a new way. A scientist, Darwin realized, must do more than just record facts; he must also search for patterns of meaning. “Nothing before had ever made me thoroughly realise, though I had read various scientific books, that science con38 The Restless Searcher sists in grouping facts so that general laws or conclusions may be drawn from them,” Darwin wrote of one field trip with Sedgwick.

Robert when he learned of it. And geologist Charles Lyell, who met Darwin upon his return and quick58 The Birth of a Theory ly became a lifelong friend, was so impressed with the young naturalist’s work that he arranged for Darwin to join the Geological Society of London. In the years immediately following his voyage, Darwin delivered many scientific papers to meetings of the society (despite the sickening stage fright he always felt during public appearances) and he served as its secretary. It soon became clear that preparing the results of the voyage for publication would take a lot of time.

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