November 28, 2013
Mohenjo
Science
amazon, Ancient Human Breeding, ancient human history, Ancient Human Interbreeding, Ancient Human Sex, Ancient Humans, Ancient Humans Sex, anthropology, business, Business News, Denisovans, Denisovans Humans, evolution, Hotels, huffingtonpost, human-rights, Humans Neanderthals, Humans Neanderthals Breeding, LONDON, Mark Thomas, medicine, mental-health, Modern Humans, neanderthals, Prehistory, research, Royal Society, Science, Science News, Slideshow, technology, Technology News, travel, University College London, vacation, Video
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The ancient genomes, one from a Neanderthal and one from a different archaic human group, the Denisovans, were presented on 18 November at a meeting at the Royal Society in London. They suggest that interbreeding went on between the members of several ancient human-like groups living in Europe and Asia more than 30,000 years ago, including an as-yet unknown human ancestor from Asia.
“What it begins to suggest is that we’re looking at a ‘Lord of the Rings’-type world — that there were many hominid populations,” says Mark Thomas, an evolutionary geneticist at University College London who was at the meeting but was not involved in the work.
The first Neanderthal and the Denisovan genome sequences revolutionized the study of ancient human history, not least because they showed that these groups interbred with anatomically modern humans, contributing to the genetic diversity of many people alive today.
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August 22, 2013
Mohenjo
Science
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Ancient Egyptian beads found in a 5,000-year-old tomb were made from iron meteorites that fell to Earth from space, according to a new study. The beads, which are the oldest known iron artifacts in the world, were crafted roughly 2,000 years before Egypt’s Iron Age.
In 1911, nine tube-shaped beads were excavated from an ancient cemetery near the village of el-Gerzeh, which is located south of Cairo, said study lead author Thilo Rehren, a professor at UCL Qatar, a Western Asian outpost of the University College London’s Institute of Archaeology. The tomb dates back to approximately 3200 B.C., the researchers said.
Inside the tomb, which belonged to a teenage boy, the iron beads were strung together into a necklace alongside other exotic materials, including gold and gemstones. Early tests of the beads’ composition revealed curiously high concentrations of nickel, a telltale signature of iron meteorites.
“Even 100 years ago, [the beads] attracted attention as being something strange,” Rehren told LiveScience.
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July 23, 2012
Mohenjo
Technical
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An app that transmits data via a burst of “digital birdsong” aims to simplify the way users share images and other files between smartphones.
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http://www.bbc.com/news/technology-18927928
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