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Rapid Changes in Lovejoy Comet’s Tail Observed

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A team of astronomy researchers from Stony Brook University, the National Astronomical Observatory of Japan, and Tsuru University are the first to reveal clear details about the rapidly changing plasma tail of the comet C/2013 R1 (Lovejoy). The observation and details behind the discovery are published in a paper in the March 2015 edition of the Astronomical Journal.

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Ancient Skull Could Provide Clues to Human-Neanderthal Mating, Weizmann Institute Scientists Find

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A partial human skull unearthed in a cave in northern Israel is providing clues as to when and where humans and Neanderthals might have interbred. In order to precisely determine the age of the skull, a combination of dating methods were employed, including accelerator mass spectrometry by the Weizmann Institute’s Dr. Elisabetta Boaretto.

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Homeowners Fared Better in Great Recession Than Renters

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While many Americans took a big financial hit during the Great Recession, homeowners were less likely than renters to lose very large proportions of their wealth, finds a new study from Michal Grinstein-Weiss, PhD, associate director of the Center for Social Development in the Brown School at Washington University in St. Louis.

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Hubble Sees Supernova Split into Four Images by Cosmic Lens

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Astronomers using NASA's Hubble Space Telescope have spotted for the first time a distant supernova split into four images. The multiple images of the exploding star are caused by the powerful gravity of a foreground elliptical galaxy embedded in a massive cluster of galaxies. The team's science paper will appear on March 6 in a special issue of the journal Science celebrating the centenary of Albert Einstein's Theory of General Relativity. Join Hubble astronomers during the live Hubble Hangout discussion at 3pm EST on Thurs., March 5, to learn still more. Visit https://www.youtube.com/watch?v=5eQTUK6XvB8 .

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"Extinct" Bird Re-Discovered

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A scientific team from WCS, Myanmar’s Nature and Wildlife Conservation Division – MOECAF, and National University of Singapore (NUS) has rediscovered a bird previously thought to be extinct.

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Mental Health Soon After War-Zone Concussions Predicts Disability

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Evaluating military personnel with blast-related mild traumatic brain injuries, researchers have found that early symptoms of post-traumatic stress, such as anxiety, emotional numbness, flashbacks and irritability, are the strongest predictors of later disability. The results were surprising because mental health more closely correlated with disability than assessments typically made after concussions, such as tests of memory, thinking, balance, coordination and severity of headaches and dizziness, according to the study led by Washington University School of Medicine in St. Louis.

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Wild Yaks - Shaggy Barometers of Climate Change

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A new study led by WCS (Wildlife Conservation Society), University of Montana, Qinghai Forestry Bureau, Keke Xili National Nature Reserve, and other groups finds that climate change and past hunting in the remote Tibetan Plateau is forcing female wild yaks onto steeper and steeper terrain.

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Study: Men Tend to Be More Narcissistic Than Women

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With three decades of data from more than 475,000 participants, a new study on narcissism from the University at Buffalo School of Management reveals that men, on average, are more narcissistic than women.