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A functional heart valve which a team of US scientists have built out of collagen using a 3D bioprinter. The breakthrough they say could one day create entire organs. — Carnegie Mellon University College of Engineering/AFP

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Device for delivery of once-a-month contraceptives (Tiffany Hua, MIT)

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Device for delivery of once-a-month contraceptives (Tiffany Hua, MIT)

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Unlocking cancer immunity with T-cells

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Photo by Mark Byzewski, image of Corral Bluffs

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Women working together to solve STEM problems

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A functional heart valve which a team of US scientists have built out of collagen using a 3D bioprinter. The breakthrough they say could one day create entire organs. — Carnegie Mellon University College of Engineering/AFP

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