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originally posted by: zandra
a reply to: anti72
Homo Sapiens was nothing more than a smart ape. Multiregional origin of Homo Sapiens has many folowers. And the origins go back to about two milllion years. But nobody knows for sure.
Besides I find it not so special (sorry about that). What is special to me? That Homo Sapiens made astonishing cave paintings 32.0000 years ago (Chauvet) and no one has found any sign of a normal evolution. The paintings came out of nothing. Some scientists find that some scratches are proof of a gradual evolution. But sometimes proof is a fairly loose term ...
originally posted by: punkinworks10
Indeed there are alternative explanations for what was found, but the alternatives stretch physics to the point that it is just easier and far more likley that humans did it rather than some Golbergian chain of events ended up breaking the bones.
Multiple bone and molar fragments, which show evidence of percussion, together with the presence of an impact notch, and attached and detached cone flakes support the hypothesis that human-induced hammerstone percussion6, 17, 18 was responsible for the observed breakage. Alternative hypotheses (carnivoran modification, trampling, weathering and fluvial processes) do not adequately explain the observed evidence (Supplementary Information 4). No Pleistocene carnivoran was capable of breaking fresh proboscidean femora at mid-shaft19, 20, 21 or producing the wide impact notch22. The presence of attached and detached cone flakes is indicative of hammerstone percussion6, 23, not carnivoran gnawing18 (Supplementary Information 4). There is no other type of carnivoran bone modification21, 24 at the CM site, and nor is there bone modification from trampling22. The differential preservation of fragile ribs and vertebrae rather than heavy limb bones argues against trampling and is consistent with selective breakage by humans. Although some thick cortical limb bone fragments display longitudinal cracks and breaks, these features occurred after percussive bone modification (for example, impact events) and were caused by pre-burial factors (for example, subaerial weathering25) or by post-depositional factors (for example, wetting–drying cycles within the soil zone). The occurrence of large and small bones together with five large cobbles within an otherwise sandy silt horizon indicates that fluvial processes did not transport these bones and stones26 (Supplementary Information 1, 2, 4 and 6). Spiral-fractured femoral fragments and both femoral heads adjacent to cobble CM-281 (Fig. 1a and Extended Data Fig. 3a, b) indicate that both femora were broken in that location. The vertical tusk (CM-56; Extended Data Figs 3c, 7c) is interpreted as the result of purposeful placement
originally posted by: DBCowboy
First off, I find this fascinating. It may appear that the "science" isn't settled.
Secondly. . . . . they found the 130,000 year old person.
her name is Cher.
Neue DNA-Analyse Urmenschen-Erbgut in Sand nachgewiesen.
Aus einem Häufchen Staub schließen, wer vor Jahrtausenden an dieser Stelle lebte - klingt nach Science-Fiction? Genau das ist deutschen Forschern jetzt gelungen.Das Erbgut eines 400.000 Jahre alten Menschen entschlüsseln? Kein Problem, wenn man neben der richtigen Technik dessen Knochen zur Hand hat. Doch was, wenn nicht? Da könnte eine neue Entwicklung helfen.
Wissenschaftler sind künftig nämlich nicht mehr zwingend auf konkrete Überreste angewiesen, um Tiere und Frühmenschen an Ausgrabungsstätten nachzuweisen. Ein internationales Team unter Leitung des Max-Planck-Instituts für evolutionäre Anthropologie in Leipzig hat eine Methode entwickelt, um Erbgutproben auch aus Ablagerungen gewinnen und untersuchen zu können. Forscher um Matthias Meyer konnten über den genetischen Code Neandertaler und Denisova-Menschen sowie verschiedene Säugetierarten nachweisen.
originally posted by: anti72
I found an interesting article on german media..
german archeologists found a method of extracting human DNA out of sediment, very promising..
Even though no Neanderthal bones have been found with the tools, the paper’s authors are the first to be able to detect the presence of humans based on DNA found in the soil. This allows them to paint a much more detailed picture of the past, in Denisova Cave and elsewhere.
originally posted by: punkinworks10
a reply to: Byrd
The bones were broken when fresh not 130k years after being broken.
Again, the totality of the evidence rules out tractors.