Found: Giant Gamma Ray Bubbles at the Heart of the Galaxy

Posted on Categories Discover Magazine

Those two purple lobes in the figure-eight shape are balloons of gamma ray energy that reach out 25,000 light years above and below the plane of the galaxy. Yet these huge structures have remained hidden from astronomers, until now. Using NASA’s Fermi Gamma-Ray Space Telescope, Doug Finkbeiner and colleagues detected the bubbles after they managed to remove from their images an obstructing “fog” of gamma rays between here and there. Researchers do not yet know what produced the ...read more

Tetris could prevent post-traumatic stress disorder flashbacks (but quiz games make them worse)

Posted on Categories Discover Magazine

This is an updated version of one of my favourite stories from last year, edited to include a sequel study that develops and expands on the first one. You’ve just been in a horrific car crash. You’re unharmed but the vividness of the experience – the sight of a looming car, the crunching of metal, the overwhelming panic – has left you a bit traumatised. You want something to help take the edge off and fortunately a doctor is on hand to prescribe you with… Tetris. Y ...read more

DOGS AWAY! Pups Go Parachuting to Sniff out the Taliban

Posted on Categories Discover Magazine

Man’s best friend can also be man’s best tandem parachuting partner. The Guardian reports that UK forces have been sending Taliban-hunting dogs into Afghanistan. Dogs have been used previously by American and Austrian paratroopers, which sheds some light on how the British might be using their pups, says Wired: SAS pooches are trained for High Altitude High Opening (HAHO) jumps, in which parachutes are deployed at a high altitude and long horizontal distance away from a target locati ...read more

Investigation Finds U.S. Kidney Dialysis in a Sorry State

Posted on Categories Discover Magazine

Dialysis can be a life-saver for people with kidney failure, but according to a major investigation, the way we do it and finance it in this country is a total mess. Writing in The Atlantic, reporter Robin Fields of the nonprofit investigate journalism group ProPublica lays out her long investigation into dialysis. Though the procedure since 1972 has been the only one guaranteed universal coverage to all Americans through Medicare, Fields finds it disturbingly inefficient, with one in four Ameri ...read more

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