Plastic that turns to clay when heated


Polysis, a specialist developer of polyurethane resins and resin products, markets haplafreely, a plastic that turns to clay when heated to temperatures above 60°C. When immersed in hot water or heated with a heat gun,…

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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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