Zhang and her colleagues think the Tibetan Plateau Denisovans may have been adapted to life at high altitude, and that EPAS1 may have spread widely among them, before they handed it on to modern Tibetans. In 2019, a Denisovan jaw fragment was evacuated in Xiahe. The Denisovans bequeathed a particular genetic gift to modern Tibetans: a “superathlete” variant of a gene, called EPAS1, that helps red blood cells use oxygen efficiently and is found in Denisovans from Denisova Cave. A human jawbone found in a cave on the Tibetan plateau has revealed new details about the appearance and lifestyle of a mysterious ancient species called Denisovans.
In a separate study published today in Science, Pääbo reports extracting modern human DNA, the oldest yet in Asia, from 34,000- and 40,000-year-old fossils from what is now Mongolia and from near Beijing, respectively. And by showing DNA and dates can be gleaned from the same sediment samples, the work opens “a new era of molecular caving,” says geochronologist Katerina Douka of the Max Planck Institute for the Science of Human History. The Lanzhou University archaeological team made the first formal excavation of the site in 2018.
After working from dusk to dawn while temperatures outside plunged to –18°C, then covering traces of their dig every morning, the scientists’ persistence paid off. Zhang and her colleagues identified the jaw as Denisovan based on a new method that relies on variation in a protein. Precise dates show the Denisovans took shelter in the cave 100,000 years and 60,000 years ago, and possibly as recently as 45,000 years ago, when modern humans were flowing into eastern Asia. But archaeologist Dongju Zhang of Lanzhou University and her team wanted more definitive evidence, including DNA, the molecular gold standard. The BEST conference of its kind in the world! Precise dates show the Denisovans took shelter in the cave 100,000 years and 60,000 years ago, and possibly as recently as 45,000 years ago, when modern humans were flowing into eastern Asia. The 160 000-year-old fossil, comprising a powerful jaw and unusually large teeth, suggests these early relatives would have looked something like the most primitive of the Neanderthals. Meanwhile, geochronologists led by Bo Li and Zenobia Jacobs of the University of Wollongong dated material from those same sediment samples. They also used simple stone tools, and, from the cave’s high opening, must have spied on animals grazing in the meadows below. ET Contact During Crop Circle Formation - Barbara Lamb's Experience, UFOs As A Gateway To Self Discovery - The Richard Dolan Show, Abducted 8-Month Pregnant Woman Wonders; “Is there a clone of my daughter?”, Physicists Simulate Sending Particles of Light Into the Past, Strengthening the Case that Time Travel Is Possible, Ultraviolet light reveals how ancient Greek statues really looked, Mind over matter: Scientists study woman who can grow a seed into a plant in 20 minutes, Zimbabwe UFO Child Conactee Speaks Publicly For The 1st Time, Black Knight UFO Satellite Explained…It’s NOT 13,000 Years Old! “The study of this cave is only beginning,” she says. DONGJU ZHANG/LANZHOU UNIVERSITY. Last year, researchers proposed that a jawbone found long ago in the Tibetan cave was Denisovan, based on its ancient proteins. Denisovan is the name of a hominid distantly related to Neanderthals and anatomically modern humans. The new find is "much more complete," one expert says. © 2011 Copyright Earth Mysteries News .com, Jupiter’s icy moon Europa may glow in the dark, UK firm to turn moon rock into oxygen and building materials, DNA tracks mysterious Denisovans to Chinese cave, just before modern humans arrived nearby, Richard Dolan talks about Disclosure at ACE 2019, UAP Sighted over Toronto on Sep 15 and 16, The World's Top UFO Researchers Discuss Alien Disclosure (June, 2018), Stanton Friedman receives Lifetime Achievement Award at ACE 2018, The Rendlesham Forest Incident: A Firsthand Account From The Original Whistleblower.
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