Vampire bats share blood to make friends


View image | gettyimages.com Two years ago, Carter and Wilkinson appeared to rule out the harassment theory when they reported that donor bats were more likely to approach starving ones first. And now they’ve gathered evidence…

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Nearby galaxy boasts two monster black holes, both active


ScienceDaily (June 10, 2011) — A study using NASA‘s Swift satellite and the Chandra X-ray Observatory has found a second supersized black hole at the heart of an unusual nearby galaxy already known to be…

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