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Posts Tagged ‘homo sapiens’

24
Nov

Charles Darwin’s New Origins Spark Historic Controversy

   Posted by: Trish    in English History, Historical Events, Historical Ships, History Blog, Modern History, Personalities in History, Philosophy, World History

Charles Darwin - 1854Few books have played such a large role in history as Charles Darwin’s On the Origin of Species, except perhaps the Bible and the Koran. Published on November 24, 1859, Darwin’s book discussed such new ideas as natural selection, the survival of the fittest and of course, the natural evolutionary progression of homo sapiens. This non religious version of reality sparked a controversy that the world had never known.

Darwin’s research for the book had taken place on the HMS Beagle years before. As he traveled to the Galapagos Islands and other exotic places, he made observations on the nature of environment and the effect of climate on the development of species. He had a theory that animals were not merely created by an invisible being but they progressed along a very long line of evolution. Their “origins” were in the prehistoric world. Pure heresy of course.

That may be why it took Darwin several years before he spoke and wrote publicly on his theory of evolution. The first edition consisted of only 1, 250 copies. A second printing took place in December adding an additional 3,000 copies as well as a German translation to the controversy.

For forward thinking Victorians, Darwin’s book was the must have item of the year. Those who embraced the humanist enlightenment sentiments of the previous century felt compelled to explore such new “scientific” ideas. Science was on the rise in the mid to late 19th century and the scientific method found favor among academics.

HMS Beagle (centre) from an 1841 watercolour by Owen Stanley, painted during Darwin's third voyage while surveying AustraliaThere was talk of a knighthood for Darwin before the church interposed. Darwin’s peers reacted in one of two ways: in favor or against the concept that man was descended from apes. Less than a year after the book was published, the term “Darwinism” was coined.

This was the era of tea rooms and private clubs, public libraries and the graduation of public space into a permanent part of society. Many people didn’t quite understand the concept as it was still so new, but it didn’t stop them from trying. The book was read and debated, sparked both cries of heresy and cries of progress. Darwin had changed human perception forever, cast doubt into tightly fixed views. Pulled a Copernicus if you will.

If you were alive in 1859, you had heard of Darwin’s book on the natural order of things. And of course, if you are alive today, You’ve probably heard of it too. Charles Darwin’s theories have enjoyed over a century of debate and study. Despite the fossil record, the work of anthropologists and the logical nature of the idea, many still refuse to accept Darwin’s theories. Because of this, there seems no let up in the debate or argument that started over 140 years ago. Sometimes a book is more than a book. Sometimes it’s the start of an historical movement.

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Tags: 1841, 1859, 19th century, Charles Darwin, Darwin, Enlightenment, Galapagos Islands, History DVDs, History Store, HMS Beagle, homo sapiens, Humanists, November 24, Origin of the species, Origins, Owen Stanley, replica guns, Replica Swords, scale model kits, theory of evolution, Victorian Era, Victorian era. Origin of Species

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24
Oct

The Ancient World and Early Humans

   Posted by: Administrator    in Ancient World, History Blog, World History

australopithecus afarensis (Lucy)On November 24th, 1974 the Anthropologist Donald Johansen discovered a female hominid (whom he later named “Lucy”) near the Awash River in Hadar, Ethiopia. Anthropologists classified Lucy as Australopithecus afarensis and believed this hominid to be the earliest common ancestor shared between primates and early humans. Their research suggested that Australopithecus afarensis lived approximately 3.9 to 3 million years ago, walked upright on two legs and utilized simple tools made from pebbles. Australopithecus afarensis also shared many general physical features that made it more similar to modern humans than to the great ape, including a relatively small skull, bipedal knee structure and molars and front teeth.

Then, approximately 2.5 to 1.8 million years ago, a more advanced hominid, Homo habilis appeared on earth whom anthropologists generally believe to be the earliest species of the homo genus to evolve from Australopithecus afarensis. As the name Homo habilis ( “handy man” or “skillful person” in Latin) suggests, archeaological and anthropological studies showed that this species of hominid had more dexterity to utilize primitive stone tools. However, Homo habilis’ short body with disproportionately long arms when compared to modern humans indicated that it still shared more similar characteristics with Australopithecus afarensis.
Early Human Evolution
Australopithecus afarensis skull Australopithecus afarensis skull
Australopithecus afarensis cranium Australopithecus afarensis cranium
Australopithecus africanus cranium Australopithecus africanus cranium
One evolutionary feature of Homo habilis that began to differentiate him from Australopithecus afarensis is a lesser protrusion of the skull and a larger brain (Homo habilis had a brain approximately half the size of the modern Homo sapien). Of these “protohumans”, the most advanced was probably Homo erectus (“upright human” in Latin), who learned to use fire to cook and keep warm. This essential skill permitted Homo erectus to move from place to place and thus migrate over a greater geographical footprint.

Home erectus craniumProbably the most significant split in the evolution of the early humans occurred about 200,000 years ago when the Homo sapiens (“wise humans”) developed from the Homo erectus. Around this time, another protohuman, the Neanderthal also adapted to the colder climates brought on by the last Ice Age and the two peoples migrated through the continent of Europe and the Middle East. Eventually, in approximately 45,000 - 38,000 BC, the Cro-Magnon (direct ancestors to modern humans, the Homo sapiens) and Neanderthal peoples vied for supremacy over the natural domain upon which they roamed. Over time, the Cro-Magnon’s, displaced the Neanderthal tribes either by natural selection, direct confrontation or disease.

As the Cro-magnon’s migrated from the Middle East to Europe, several civilizations sprang up within the Mesopotamian region. With the Cro-magnon’s continued migration from the African plains to the Fertile Crescent along the Euphrates and Tigris river valleys (an area covered by present day Iraq, Syria and Azerbaijan), a dramatic change in ancient society occurred. Civilizations began to experiment in basic food production and with time the favorable topography and climate yielded a bounty of crops. The descendants of these ancient peoples refined the agricultural model of their ancestors by incorporating new crop cycles and domesticating animals. Those tribes that successfully transformed their societies into agrarian based models soon out-produced traditional hunter gatherer societies, resulting in their ability to sustain greater populations. Over time, these larger agriculture based populations grew immune to germs and disease through their exposure to beasts of burden and indigenous plants that they incorporated into their flourishing societies.

SOURCES:
Image of Lucy: American Museum of Natural History http://www.amnh.org

Tags: Add new tag, Ancient World, Australopithecus afarensis, cro-magnons, first humans, homo erectus, homo habilis, homo sapiens, lucy, World History

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