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    Convergent evolution of mimetic butterflies confounds classification

    Original @ – latest science and technology news stories David Lohman, associate professor of biology at The City College of New York’s Division of Science, is co-author of a landmark paper on butterflies “An illustrated checklist of the genus Elymnias Hübner, 1818 (Nymphalidae, Satyrinae).” Lohman and his colleagues from Taiwan and Indonesia revise the taxonomy of Asian palmflies in the genus Elymnias in light of a forthcoming study on the butterflies’ evolutionary history. [...]

    The medieval period really shaped Europeans

    Original @ Isegoria In an old interview, HBD Chick describes some of the ideas she has popularized: In the 1960s, John Hajnal noticed a curious feature in Europe populations and that is the fact that, compared to just about everybody else in the world, northwest Europeans have this history (going back to at least the 1500s) of marrying quite late (mid-20s+) […] [...]

    Treatment of heart attack patients depends on history of cancer

    Original @ Medical Xpress – latest medical and health news stories Treatment of heart attack patients depends on their history of cancer, according to research published today in European Heart Journal: Acute Cardiovascular Care. The study in more than 35 000 heart attack patients found they were less likely to receiv… [...]

    Interactive tool offers window into history of Arab-Americans in NYC

    Original @ – latest science and technology news stories Researchers at North Carolina State University are unveiling an interactive site that allows scholars and the public to better understand the long history of Syrian and Lebanese immigrants to the United States. Focused on New York City in the early 20t… [...]

    Words With Friends adds 50,000 pop culture words

    Original @ – latest science and technology news stories Tell your bae or your bestie: The mobile game Words With Friends is adding thousands of pop culture words as part of its largest dictionary update in the game’s eight-year history. [...]

    American oaks share a common northern ancestor

    Original @ – latest science and technology news stories If you had been in northern Canada 45 million years ago, you might have encountered the distant ancestor of all of the oaks in the Americas. That single species gave rise to 220 more and two distinct lineages—red oaks and white oaks—that moved south through the boreal zone to populate large swaths of the continent all the way into Mexico. These two findings—simultaneous evolutionary diversification in the red and white oaks each following the same geographic routes; and two relatively recent origins of the Mexican oaks—are a surprise conclusion to a scientific mystery that went unresolved until now. Research published this week in the journal New Phytologist tells this story of the evolutionary history of American oaks for the first time. [...]

    Understanding the glacial history of the western Arctic

    Original @ – latest science and technology news stories To interpret what we see today both on land and at the seabed, we need to understand how the landscape was different in the past. When we say “past,” we mean on a geologic timeframe—specifically, about 10,000 to 20,000 years ago, when the climate was much colder and glaciers covered much of Canada. There have been several other geological periods in the last million years when glaciers covered the landscape; indeed Antarctica and Greenland and parts of Baffin Island are still covered, but we are most interested in this “recent” one. In particular, we are hoping to collect some of the first data on the western side of the Mackenzie Trough to understand the imprint that glaciation has had on the Yukon Shelf. Scientists have had to speculate on the extent and timing of glaciations because they’ve never been out there with equipment to collect data. [...]

    How animals vote to make group decisions

    Original @ – latest science and technology news stories Today we opt for ballot boxes but humans have used numerous ways of voting to have their say throughout history. However, we’re not the only ones living (or seeking to live) in a democratic society: a new study has suggested that African wild dogs vote… [...]

    Parasitic eye infection poses significant threat to UK dogs, warn experts

    Original @ – latest science and technology news stories A research team, led by John Graham-Brown at the University of Liverpool, describe three cases in UK dogs with recent history of travel to mainland Europe. [...]

    Gun laws requiring domestic abusers to surrender firearms could save lives

    Original @ Medical Xpress – latest medical and health news stories The mass shooting in Plano, Texas, this month was the deadliest of 2017. It also fit a pattern: The shooter had targeted his estranged wife and her friends and family—and had a history of intimate partner violence (IPV). [...]