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Smallest Known Galaxy with a Supermassive Black Hole: Watch Video of Newswise Live Press Conference Event

A University of Utah astronomer and his colleagues discovered that an ultracompact dwarf galaxy harbors a supermassive black hole – the smallest galaxy known to contain such a massive light-sucking object. The finding suggests huge black holes may be more common than previously believed.

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Modern Europeans Descended from Three Groups of Ancestors

New studies of ancient DNA are shifting scientists' ideas of how groups of people migrated across the globe and interacted with one another thousands of years ago. By comparing nine ancient genomes to those of modern humans, Howard Hughes Medical Institute (HHMI) scientists have shown that previously unrecognized groups contributed to the genetic mix now present in most modern-day Europeans.

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Veterinary Pharmacologist Warns That Eggs From Backyard Chickens May Pose Consumption Problems

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A pharmacologist warns that if you are raising chickens in your backyard, don't consume their eggs if the animals have been taking medication.

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New Study Out of Villanova University Finds Release of Violent Video Games May Actually Reduce Real-World Violence

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Slow to Mature, Quick to Distract: ADHD Brain Study Finds Slower Development of Key Connections

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A peek inside the brains of more than 750 children and teens reveals a key difference in brain architecture between those with attention deficit hyperactivity disorder and those without.

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Mind the Climate Gap

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One fundamental challenge of climate change forecasting is how to bridge the gap between global-scale models and local impacts. A new study—the first-of-its kind for the Lake Champlain region —bridges this gap and forecasts that northern Vermont and southern Quebec by 2100 will get eight degrees Fahrenheit hotter; Burlington, Vt., will experience 10 more days in July above 90; and ski resorts will see 50% less snowfall.

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This Is Your Brain on Snacks—Brain Stimulation Affects Craving and Consumption

Magnetic stimulation of a brain area involved in "executive function" affects cravings for and consumption of calorie-dense snack foods, reports a study in the September issue of Psychosomatic Medicine: Journal of Biobehavioral Medicine, the official journal of the American Psychosomatic Society. The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health.

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Schizophrenia Not a Single Disease but Multiple Genetically Distinct Disorders

New research shows that schizophrenia isn’t a single disease but a group of eight genetically distinct disorders, each with its own set of symptoms. The finding could be a first step toward improved diagnosis and treatment for the debilitating psychiatric illness. The research at Washington University School of Medicine in St. Louis is reported online Sept. 15 in The American Journal of Psychiatry.

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How an Ancient Vertebrate Uses Familiar Tools to Build a Strange-Looking Head

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Investigator and Scientific Director Robb Krumlauf, Ph.D. and colleagues show that the sea lamprey Petromyzon marinus, a survivor of ancient jawless vertebrates, exhibits a pattern of gene expression that is reminiscent of its jawed cousins, who evolved much, much later.

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Scientists Report First Semiaquatic Dinosaur, Spinosaurus

Scientists today unveiled what appears to be the first truly semiaquatic dinosaur, Spinosaurus aegyptiacus.

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