Journal issues corrected version of study on Eurasian migration to Africa

BERLIN - Scientists say they are revising their claim that Eurasian farmers who migrated to Africa some 3,000 years ago have left their genetic mark in the furthest corners of the continent.

See Full Article

Cambridge University researchers say an error in the way specialized software was used wrongly suggested that the ancient migrants' DNA spread as far as Central and West Africa.

Authors Marcos Gallego Llorente and Andrea Manica say their main finding, that present-day East African populations have as much as a quarter Eurasian ancestry, remains true.

The finding was made by comparing ancient DNA from the skull of a man buried in the highlands of Ethiopia 4,500 years ago to that of current African populations.

The original paper was published in the journal Science in October. Science issued a corrected version Thursday.



Advertisements

Latest Tech & Science News

  • Private data leaked online by Cloudflare bug

    Tech & Science CTV News
    Internet users Friday were being urged to change all their passwords in the wake of a Cloudflare bug that could have leaked passwords, messages and more from website visits. A Cloudflare service used by millions of websites to enhance security and performance said that it had fixed the flaw quickly after being alerted a week ago by Google researcher Tavis Ormandy. Source
  • BlackBerry KEYone coming in April

    Tech & Science Toronto Sun
    TORONTO — If you're a fan of the BlackBerry's classic physical keyboard, you will have reason to celebrate when the last product designed in part by the former smartphone leader becomes available in April. The Waterloo, Ont. Source
  • Thorny skate will not be added to endangered species list

    Tech & Science CTV News
    PORTLAND, Maine - The federal government says the thorny skate will not be listed under the Endangered Species Act. Environmental groups argued that the thorny skate's decline in the northwest Atlantic Ocean was considerable enough to afford it protections set aside for endangered animals. Source
  • 'Go to sleep. The stream can wait'; Gamer who died during 24-hour marathon 'was in rough shape'

    Tech & Science Toronto Sun
    VIRGINIA BEACH, Va. — The Virginia man who died while during a 24-hour gaming marathon appeared to be in "rough shape" before leaving for a smoke break he never returned from, a friend said. Brian Vigneault, 35, had spent about 22 hours playing the online war game World of Tanks on the streaming platform Twitch.tv. Source
  • Horizon Zero Dawn review: PS4 exclusive a perfect gaming experience

    Tech & Science Toronto Sun
    In Horizon Zero Dawn, there are robot animals to fight, bloodthirsty bandits to eliminate and millennium-spanning mysteries to uncover. Yet, every time I turned a corner in this lushly detailed video game world, I was sucked into some incredible new spectacle. Source
  • Finding life on 7 exoplanets will be a challenge: Bob McDonald

    Tech & Science CBC News
    The possibility of finding life on other worlds got a huge boost this week with the announcement that seven Earth-sized planets have been found around a nearby star, three of which lie within the so-called habitable zone where water, and therefore life, could exist on their surfaces. Source
  • Google rolls out artificial intelligence tool for media companies to combat online trolls

    Tech & Science CTV News
    Google said it will begin offering media groups an artificial intelligence tool designed to stamp out incendiary comments on their websites. The programming tool, called Perspective, aims to assist editors trying to moderate discussions by filtering out abusive "troll" comments, which Google says can stymie smart online discussions. Source
  • Survey finds two High Arctic polar bear populations stable

    Tech & Science CTV News
    Polar bears in two High Arctic populations seem to be doing better than scientists had thought. The first major study of the Baffin Bay and Kane Basin populations in about 20 years has found more bears than population models predicted. Source
  • N.S. launches probe after massive winter storm damages fish farm, frees salmon

    Tech & Science CTV News
    SHELBURNE, N.S. -- Nova Scotia fisheries officials are investigating after a winter storm damaged an aquaculture pen in Shelburne Harbour, apparently releasing some salmon. Fisheries Minister Keith Colwell says the fish farm is owned by New Brunswick-based Cooke Aquaculture, which reported the damage last Wednesday after a massive storm. Source
  • Radiation may prove more potent than pesticide against pepper pest

    Tech & Science CBC News
    You may not have heard of the pepper weevil, but it's said to have cost Ontario farmers $83 million in crop damage in 2016. Now, scientists hope a blast of cobalt gamma radiation will prove more potent – and less problematic – than pesticides in controlling the creature. Source