Latest topics
» Dave Schmidt ~ Oct. 26th Update and Info
Today at 8:31 pm by PurpleSkyz

» Out Of Mind was down for maintenance today
Today at 8:10 pm by erwing

» AllState Dealer Involved In A Currency Scam - AllState Cares (Educational Video)
Today at 7:24 pm by PurpleSkyz

» Secret Space Program & Flat Earth Dome /w Aug Tellez [Strongholds]
Today at 7:07 pm by PurpleSkyz

» Anna von Reitz ~ Waking Up 101 Revisited
Today at 7:04 pm by PurpleSkyz

» Dr. Steven Greer : False-Flag Alien Invasion - (Oct 2016)
Today at 6:58 pm by Jaguar-2016

» UFO News ~ White UFO Orb Over Marysville, Washington and MORE
Today at 6:56 pm by PurpleSkyz

» NIBIRU News ~ Planet Nine tilts the Sun plus MORE
Today at 6:52 pm by PurpleSkyz

» Running for President
Today at 6:39 pm by PurpleSkyz

» News Shot: New A.I. Tech Injected Directly Into Bloodstream Turns Humans Into Hybrids
Today at 6:35 pm by PurpleSkyz

» Jeff Rense & Jim Fetzer - Voter Fraud & Project Firesign
Today at 6:27 pm by PurpleSkyz

» This Weeks RV/GCR Chatter
Today at 6:21 pm by PurpleSkyz

» The Secret of the Vibrating Energy of Love
Today at 6:05 pm by PurpleSkyz

» Benjamin Fulford 10-24-16… “Mass arrests and extrajudicial killings going on as part of cabal takedown”
Today at 11:28 am by Jaguar-2016

» POOFness for OCT 24: FINAL MILE (before the Feds shut us down)
Today at 9:53 am by PurpleSkyz

» Lucid Dreaming Music: "Into the Stellar Skies"
Today at 9:47 am by PurpleSkyz

» Anonymous claims it took down Ecuadorian govt webmail after embassy banned Assange from internet
Today at 9:17 am by PurpleSkyz

»  Creepy Tales of Child Ghosts
Today at 9:05 am by PurpleSkyz

» Legends of Mysterious Slant Eyed Giants
Today at 9:01 am by PurpleSkyz

» HUGE Meteor plummet to earth over peir South Wales
Today at 8:49 am by PurpleSkyz

» Scientist Blows Whistle on Mandela Effect, Whistleblower Tells All, with proof & examples explained
Today at 8:29 am by PurpleSkyz

» Who Killed Gavin MacFayden
Today at 8:22 am by PurpleSkyz

» A Foreshadowing Of Things To Come: “This Cyberattack Was Initiated By The U.S. Government
Today at 8:18 am by PurpleSkyz

» Is Your God a Devil?
Today at 8:13 am by PurpleSkyz

» What Is The Power Of Poetry?
Today at 8:08 am by PurpleSkyz

» US peace activist Tom Hayden, RIP
Today at 8:03 am by PurpleSkyz

» Snordster ~ Trump Must Follow Putin!
Today at 7:54 am by PurpleSkyz

» The Philosophical Concept of Synchronicity
Yesterday at 11:32 pm by PurpleSkyz

» The Fifth Estate Casts Its Shadow Like a Massive Mothership
Yesterday at 11:29 pm by PurpleSkyz

You are not connected. Please login or register

Out Of Mind » GALACTIC AWARENESS » UFO DISCLOSURE, ISS, MUFON, SETI & NASA » Fossils Complicate Human Ancestor Search

Fossils Complicate Human Ancestor Search

View previous topic View next topic Go down  Message [Page 1 of 1]

1 Fossils Complicate Human Ancestor Search on Thu Aug 09, 2012 8:19 am


This is on the front page of CNN this morning! Interesting

The family tree of humanity as we know it - Homo sapiens - isn't as straightforward as "one species gave way to another." New evidence suggests that at least two different Homo species lived in Kenya about 2 million years ago.

Scientists report in the journal Nature that they have linked recently discovered fossils with a controversial cranium found in 1972 in Kenya. They believe these new remnants belonged to the same species as the skull, which has been dubbed Homo rudolfensis. The study is led by prominent paleontologist Meave Leakey.

The Homo rudolfensis skull, found near Lake Turkana, has a bigger brain case and a flatter face than specimens of Homo habilis, the other species of the Homo genus that appears to have lived around that time. Homo habilis is thought to have been a toolmaker because its hand bones were found next to stone tools.

It has been evident for a long time that there were several contemporaneous Homo species present in this area of Kenya called Koobi Fora, said Ian Tattersall, paleoanthropologist and curator at the American Museum of Natural History in New York, who wasn't involved in the study. This study helps confirm that, he said.

But some scientists not involved in the study said there is not enough evidence to claim that the new findings, together with the 1972 skull, represent a distinct Homo species.

Lee Berger, paleoanthropologist at the University of the Witwatersrand in Johannesburg, South Africa, called this argument based on associations of a few fossils "weak." He said in an e-mail that the fossils should also be compared to other potential human ancestors, such as Australopithecus africanus and Australopithecus sediba.

"East Africa is not an island," Berger said. "One must use the whole continent's evidence for human origins in such an important argument as the question of the origins of the genus Homo."

Ancient fossils question human family tree

The new fossils consist of a face, lower jaw and fragmentary lower jaw of different ages, none of which is quite as old as the first Homo rudolfensis specimen. These new fossils are believed to be 1.83 million and 1.95 million years old. They include a face that is "incredibly flat," as there is a straight line from eye sockets to where incisor teeth would have been, said study co-author Fred Spoor of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. The cheekbones on either side of the nose are far forward, contributing to that flatness. The incisor teeth are in a straight line, he said.

All of this information allowed the researchers to do a virtual reconstruction of what the head of a member of this mysterious species would have looked like.

Leakey, of the Turkana Basin Institute in Nairobi, Kenya, said the differences between this species and what we've known previously are "more extreme than you would expect" and are not merely regular variations of the same species. The skull's straight profile is distinctive, she said.

The environment in this area is very windy, sandy and extremely hot today, but it would have been less hostile 2 million years ago, Leakey said. Lake Turkana was a lot larger, and there was more vegetation, so there was more opportunity to eat different types of food. And even if Homo rudolfensis and Homo habilis lived around the same time, they may not have known one another.

"We can’t say they were standing next to each other and could shake hands," Spoor said.

Whether we descended from the species of these ancient creatures is unknown. There could be some other, yet undiscovered species from around this time that is a more probable ancestor.

Bernard Wood predicts, in an accompanying article in Nature, that by 2064, "researchers will view our current hypotheses about this phase of human evolution as remarkably simplistic."

  I became insane, with long intervals of horrible sanity ~ Edgar Allan Poe

View previous topic View next topic Back to top  Message [Page 1 of 1]

Permissions in this forum:
You cannot reply to topics in this forum