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12-09-15, 20:14 | #1 | ||||
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PHOTOs > First Human Found in S.African Cave
Is This The First Human?
>>>Extraordinary Find in a South African Cave Suggests Man May be Up to 2.8million Years Old
The fossilised remains of a previously unknown species of human has been discovered inside a cave in South Africa. Named Homo naledi, the species has been assigned to the genus Homo, to which modern humans also belong. Scientists unearthed more than 1,500 bones belonging to at least 15 individuals which are yet to be dated They say they could be anything between 20,000 and two million years old. Meet the ancestors: Named Homo naledi, the species has been assigned to the genus Homo, to which modern humans also belong. Scientists unearthed more than 1,500 bones belonging to at least 15 individuals (pictured) The discovery came about thanks to a tip-off from cavers two years ago, who had glimpsed what looked like human remains through a crack in a limestone wall. The bones were located in the Rising Star cave system in South Africa's Gauteng province, part of the Cradle of Humankind World Heritage Site, in a remote chamber that can only be accessed via several steep climbs and fissures. The chamber, situated down a narrow 40ft (12 metre) chute, measures around 30 feet (9 metres) long and just a few feet wide It is not yet clear how more than a dozen H. naledi skeletons - ranging from babies to elderly individuals - ended up in a remote region of a large cave. The researchers have not ruled out the possibility of the bodies being disposed of in the cave deliberately, or a catastrophic 'death trap' scenario in which the humans entered the cave and all died of an unknown cause. New member of the family: The finding has provided a challenge for the scientists who have been tasked with the bones' analysis, Dr Stronger added: 'Some of Homo naledi's features, such as its hands, wrist and feet, are very similar to those of modern humans' (reconstruction of new species Homo naledi pictured) H. naledi's overall body plan is illustrated right and an how it compares to Homo species such as H. erectus (centre) and australopithecines such as Lucy (far left) Scientists say that many more examples of the new species may lay uncovered in the remote cave system Researchers said 'Some of Homo naledi's features, such as its hands (pictured), wrist and feet, are very similar to those of modern humans. If the burial scenario is correct, the creatures would have introduced artificial light into the caves in the form of torches as the narrow passages are entirely devoid of light. The bones are in phenomenal condition - with even the delicate inner ear bones of the new species lying intact. Professor Chris Stringer, Research Leader in Human Origins at the Natural History Museum in London, said: 'The deep cave location where the bones were found suggests that they may have been deposited there by other humans, indicating surprisingly complex behaviour for a 'primitive' human species.' Scientists say that many more examples of the new species may lay uncovered in the remote cave system. The finding has provided a challenge for the international team of scientists who have been tasked with analysing and aging the bones, Dr Stronger added: 'Some of Homo naledi's features, such as its hands, wrist and feet, are very similar to those of modern humans. Quote:
'On the other hand, the species' small brain and the shape of its upper body are more similar to a prehuman group called australopithecines.' 'While we do not yet know the exact age of the bones, the discovery of so many fossils belonging to at least 15 individuals is remarkable. 'The mixture of features in H. naledi highlights once again the complexity of the human family tree and the need for further research to understand the history and ultimate origins of our species.' Quote:
The bones were located in the Rising Star cave system in South Africa's Gauteng province in a remote chamber that can only be accessed via several steep climbs and fissures (arrangement of fossils pictured) Scientists say that the mixture of features in H. naledi (pictured) highlights the complexity of the human family tree and the need for further research to understand the history and ultimate origins of our species Quote:
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It is hoped Homo naledi will shed light on the transition from australopithecines to humans, helping uncover how humans fit into the framework of the natural world over the course of their evolution. Some images included in this article feature in the October issue of National Geographic magazine Australopithecines emerged around four million years ago and had a brain no larger than a chimp's. The species is epitomised by 'Lucy', a skeleton discovered in Ethiopia in 1974. About a million years passed before Homo erectus, or modern man, began to emerge and much of how human evolution played out over this time remains shrouded in mystery. Scientists admit that it could take decades before they are able to identify who Homo naledi really was and how he fits into our complex evolutionary tree. Professor Stringer added: 'The mixture of features in H. naledi highlights once again the complexity of the human family tree and the need for further research to understand the history and ultimate origins of our species.' Casts of Homo naledi fossils will be unveiled at the Natural History's after-hours Science Uncovered event on 25 September and will then go on permanent display in a new Human Evolution gallery opening at the Museum at the end of November. At the event, they will be alongside the reconstructed skeleton of a recently discovered australopithecine species from South Africa: Australopithecus sediba. Comparing the characteristics of these ancient species reveals how humans have changed over millions of years. The bones were located in the Rising Star cave system in South Africa's Gauteng province, part of the Cradle of Humankind World Heritage Site, in a remote chamber that can only be accessed via several steep climbs The bones (jawbone pictured) were located in the Rising Star cave system in South Africa's Gauteng province, part of the Cradle of Humankind World Heritage Site, in a remote chamber that can only be accessed via several steep climbs and fissures Peering inside the cave: The chamber, situated down a narrow 40ft (12 metre) chute, measures around 30 feet (9 metres) long and just a few feet wide, National Geographic reported Casts of Homo naledi fossils (3D printed cast of skull pictured) will soon be displayed alongside the reconstructed skeleton of a recently discovered australopithecine species from South Africa Casts of Homo naledi fossils (fossils pictured) will be unveiled at the Natural History's after-hours Science Uncovered event on 25 September and will then go on permanent display in a new Human Evolution gallery opening at the Museum at the end of November
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