Keyword: elainemorgan
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* An adult male named Rakus chewed a plant used by people in Southeast Asia to treat pain and inflammation, then applied it to an injury on his right cheek * Photographs show the animal’s wound closed within a month without any problems ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Rakus, a Sumatran orangutan, is seen two months after he started treating himself with a medicinal plant at a protected rainforest area in Indonesia. Photo:Safruddin/Max Planck Institute of Animal Behaviour via Reuters AsiaSoutheast Asia Wild orangutan seen using medicinal plant to treat wound, scientists say An adult male named Rakus chewed a plant used by people...
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Humans are basically aquatic mammals (Elaine Morgan...); that means, amongst other things, that many if not most places on Earth where humans have lived in the remote past might now be under the waves as is the case with the Yonaguni ruins off of Okinawa. Having a sense of smell no better than humans possess would be fatal for any land prey animal. Notice however that aquatic mammals do not really require much of a sense of smell. Elaine Morgan listed a hundred or so traits1which we share with other aquatic mammals but there are a few which stand out:...
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Researchers have found evidence that a coronavirus epidemic swept East Asia some 20,000 years ago and was devastating enough to leave an evolutionary imprint on the DNA of people alive today. The new study suggests that an ancient coronavirus plagued the region for many years, researchers say. The finding could have dire implications for the Covid-19 pandemic if it’s not brought under control soon through vaccination. Four other coronaviruses can also infect people, but they usually cause only mild colds. Scientists did not directly observe these coronaviruses becoming human pathogens, so they have relied on indirect clues to estimate when...
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An ancient coronavirus, or a closely related pathogen, triggered an epidemic among ancestors of present-day East Asians roughly 25,000 years ago, a new study indicates.Analysis of DNA from more than 2,000 people shows that genetic changes in response to that persistent epidemic accumulated over the next 20,000 years or so, David Enard, an evolutionary geneticist at the University of Arizona in Tucson, reported April 8 at the virtual annual meeting of the American Association of Physical Anthropologists. The finding raises the possibility that some East Asians today have inherited biological adaptations to coronaviruses or closely related viruses.The discovery opens the...
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To extract ancient human chromosomal DNA from caves, Vernot and colleagues identified regions in chromosomes rich in mutations specific to hominids to help the team filter out nonhuman DNA. This helped the researchers successfully analyze Neandertal chromosomal DNA from more than 150 samples of sediment roughly 50,000 to 200,000 years old from a cave in Spain and two caves in Siberia.After the team compared its data with DNA previously collected from Neandertal fossils of about the same age, the findings suggested that all these Neandertals were split into two genetically distinct waves that both dispersed across Eurasia. One emerged about...
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SUNY-Albany biologist Caro-Beth Stewart and NYU anthropologist Todd R. Disotell have proposed... that the ancestor of humans and the living African apes evolved in Eurasia, not Africa. This controversial new model for the evolution of humans and apes is the cover story of the July 30th issue of Current Biology. Stewart and Disotell describe their theory in an article entitled "Primate evolution -- in and out of Africa." ...The fossil record indicates that apes were present in Europe and Western Asia during the Miocene Era, from about 8 to 17 million years ago. Ancestors of these ape species must have...
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Stone man. This partial skull of a 500,000-year-old human was found in a slab of travertine from a quarry like this one in Turkey.Credit: John Kappelman/University of Texas, Austin Workers at a travertine factory near Denizli, Turkey, were startled recently when they sawed a block of the limestone for tiles and discovered part of a human skull. Now, it appears they unwittingly exposed fossilized remains of a long-sought species of human that lived 500,000 years ago, researchers say. Although only four skull fragments were found, the fossil also reveals the earliest case of tuberculosis. The Middle East has long been...
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Most Ancient Case Of Tuberculosis Found In 500,000-year-old Human; Points To Modern Health IssuesView of the inside of a plaster cast of the skull of the newly discovered young male Homo erectus from western Turkey. The stylus points to tiny lesions 1-2 mm in size found along the rim of bone just behind the right eye orbit. The lesions were formed by a type of tuberculosis that infects the brain and, at 500,000 years in age, represents the most ancient case of TB known in humans. (Credit: Marsha Miller, the University of Texas at Austin)" ScienceDaily (Dec. 7, 2007) —...
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Humans Migrated Out of Africa, Then Some Went Back, Study Says Stefan Lovgren for National Geographic News December 14, 2006 Humans first moved out of Africa about 70,000 years ago, but 30,000 years later some of them moved back. That's according to a new study based on DNA evidence from ancient human remains found in Africa. The study shows that a small group of early humans returned to Africa after migrating to the Middle East. In addition, the research suggests that the humans' return occurred around the same time that another group of humans left the Middle East and moved...
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Did Early Humans First Arise in Asia, Not Africa? Nicholas Bakalar for National Geographic News December 27, 2005 -----snip------They believe that early-human fossil discoveries over the past ten years suggest very different conclusions about where humans, or humanlike beings, first walked the Earth. New Asian finds are significant, they say, especially the 1.75 million-year-old small-brained early-human fossils found in Dmanisi, Georgia, and the 18,000-year-old "hobbit" fossils (Homo floresiensis) discovered on the island of Flores in Indonesia. -----snip------"What seems reasonably clear now," Dennell said, "is that the earliest hominins in Asia did not need large brains or bodies." These attributes...
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Evidence for the orangutan being the closest living relative of modern humans is based on at least 35 known characters that appear to be either exclusive to humans and orangutans or largely absent in outgroups.
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Infectious Evolution: Ancient virus hit apes, not our ancestors, in the genesMarch 5 Bruce Bower A vicious virus infected ancestral chimpanzees and gorillas in Africa between 4 million and 3 million years ago. Not only did it kill a great many of these primates, but it also infiltrated the surviving animals' genomes, altering the course of evolution. That's the picture emerging from a new analysis of modern-primate DNA. Around 1.5 million years ago, this virus of the class called retroviruses also infected ancestors of modern baboons and macaques, two African monkeys, reports geneticist Evan E. Eichler of the University of...
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Consider the ancient human fossils from a Moroccan cave called Jebel Irhoud, which were described just last year. These 315,000-year-old bones are the oldest known fossils of Homo sapiens. They not only pushed back the proposed dawn of our species, but they added northwest Africa to the list of possible origin sites. They also had an odd combination of features, combining the flat faces of modern humans with the elongated skulls of ancient species like Homo erectus. From the front, they could have passed for us; from the side, they would have stood out. Fossils from all over Africa have...
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The largest ever study of global genetic variation in the human Y chromosome has uncovered the hidden history of men. Research published today (25 April) in Nature Genetics reveals explosions in male population numbers in five continents, occurring at times between 55 thousand and four thousand years ago... analysed sequence differences between the Y chromosomes of more than 1200 men from 26 populations around the world using data generated by the 1000 Genomes Project... involved 42 scientists from four continents... Analysing the Y chromosomes of modern men can tell us about the lives of our ancestors. The Y chromosome is...
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Deseret Morning News, Sunday, October 03, 2004 Mexico discovery fuels debate about man's origins Archeologists are baffled by hominid bones By John Rice Associated Press MEXICO CITY — For decades, Federico Solorzano has gathered old bones from the shores of Mexico's largest lake — bones he found and bones he was brought, bones of beasts and bones of men. Mexican professor Federico Solorzano shows the supraorbital arch from the fossil of an early hominid. Guillermo Arias, Associated Press The longtime teacher of anthropology and paleontology was sifting through his collection one day when he noticed some that didn't seem to...
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