FedStats Scientists provide a more accurate age for the El Sidrón cave Neanderthals -- ScienceDaily A study has been able to accurately determine the age of the Neanderthal remains found in the El Sidrón cave (Asturias, Spain) for which previous studies had provided inexact measurements. The application of a pre-treatment to reduce contamination by modern carbon has managed to lower the margin of error from 40,000 to just 3,200 years. El Sidrón cave in Asturias (northern Spain) is one of the westernmost Neanderthal sites on the Iberian Peninsula and contains a large amount of this type of remains in addition to the flint tools they used. Now, thanks to the development of new analytical procedures, a research team co-ordinated by the University of Oviedo (Spain) has managed to provide a more accurate dating for these Neanderthal populations in Asturias. The age of the El Sidrón remains could prove to be an important piece of information in the discussion about when the transition from Neanderthal to Homo sapiens took place in Europe.
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lawcrawler.findlaw Separation between Neanderthal and Homo sapiens might have occurred 500,000 years earlier, DNA from teeth suggests The separation of Neanderthal and Homo sapiens might have occurred at least one million years ago, more than 500.000 years earlier than previously believed, according to new DNA-based analyses. A doctoral thesis conducted at the National Center for Research on Human Evolution (Centro Nacional de Investigación sobre la Evolución Humana), associated with the University of Granada, analyzed the teeth of almost all species of hominids that have existed during the past 4 million years. Quantitative methods were employed, and they managed to identify Neanderthal features in ancient European populations. The main purpose of this research, whose author is Aida Gómez Robles, was to reconstruct the history of evolution of the human species using the information provided by the teeth, which are the most numerous and best preserved remains of the fossil record. To this purpose, a large sample of dental fossils from different sites in Africa, Asia and Europe was analyzed. Computer Simulation
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Discovery Reveals That Neanderthals Were the First in Europe to Make Specialized Bone Tools Four views of the most complete lissoir found during excavations at the Neanderthal site of Abri Peyrony. Credit: Abri Peyrony & Pech-de-l’Azé I Projects A new discovery in southwest France reveals that Neanderthals were the first in Europe to make standardized and specialized bone tools. Two research teams from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, and the University of Leiden in the Netherlands have jointly reported the discovery of Neanderthal bone tools coming from their excavations at two neighboring Paleolithic sites in southwest France. Modern humans replaced Neanderthals in Europe about 40 thousand years ago, but the Neanderthals’ capabilities are still greatly debated. “If Neanderthals developed this type of bone tool on their own, it is possible that modern humans then acquired this technology from Neanderthals. How widespread this new Neanderthal behavior was is a question that remains. Shannon P. Source: Max Planck Institute
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No known hominin is common ancestor of Neanderthals and modern humans, study suggests -- ScienceDaily The search for a common ancestor linking modern humans with the Neanderthals who lived in Europe thousands of years ago has been a compelling subject for research. But a new study suggests the quest isn't nearly complete. The researchers, using quantitative methods focused on the shape of dental fossils, find that none of the usual suspects fits the expected profile of an ancestor of Neanderthals and modern humans. The study, which will be published online this week by the Proceedings of the National Academy of Sciences, was carried out by an international team of scholars from The George Washington University, Konrad Lorenz Institute for Evolution and Cognition Research in Austria, Indiana University and Atapuerca Research Team in Spain. P. The researchers use techniques of morphometric analysis and phylogenetic statistics to reconstruct the dental morphology of the last common ancestor of Neanderthals and modern humans. What comes next?
Eating Off the Grid Thank you for shopping with us. USA Emergency Supply is committed to helping support families and individuals impacted by disasters around the world. We do this by donating 10% of our profits to worldwide humanitarian efforts. By shopping with us you are also helping others, so you should feel really good about that! *************************************************************************************** There are lots of thin-ply masquerading as full thickness, lower-quality, double-fold shipped bags out there. Don't be fooled! Thank you for shopping with us. Gene breakthrough shows Neanderthals in new light - opinion - 18 July 2013 WHEN Neanderthal bones were discovered in the 19th century, their robust build and heavy brows led palaeontologists to characterise them as brutish, and their name is still pejorative today. Since then, we have found ample circumstantial evidence to suggest this stereotype is far from fair. Tools, jewellery and even cosmetics discovered among Neanderthal bones suggest that they were uncannily like us – a view strengthened when their genome was sequenced, showing a remarkable genetic overlap. Now the Neanderthal epigenome – the system of on/off switches that modify gene activity – has been deciphered (see "First look into workings of the Neanderthal brain"), allowing us to directly assess the mental life of our extinct cousins for the first time. This work is just beginning. Whether it clears the Neanderthal name remains to be seen. This article appeared in print under the headline "Extinct cousins out of rehab" New Scientist Not just a website! More From New Scientist More from the web
How to become Water Self Sufficient for Survival Preparedness | PreppingToSurvive.com The following article has been contributed by Lucas Patriotus, a special services veteran with years of survival training. It has been published with permission of the author. It does not necessarily represent the views of PreppingToSurvive.com. Water Is Life I don’t need to tell you why your family needs safe potable water as well as long term food storage, first aid kits, and other survival gear to survive the aftermath of an emergency or disaster. People can live for days or even weeks without food but no one survives past 4 or 5 days without water. “…Drinking, sanitation and hygiene constitute the basic human survival needs for water. Including drinking, sanitation and hygiene that same family of four would require 1560 gallons of potable water to survive for 30 days. Water Availability is not Guaranteed What if one day after an emergency or disaster you turn on the tap and either nothing comes out, or what comes out is unsafe to drink? Rain Water Harvesting Purifying Stored Rainwater