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Blamed for fouling the environment, polyester may help save it. A team from Cornell has created a way to break down old polyester clothing & reuse some of its compounds to make fabrics that are fire resistant, anti-bacterial or wrinkle-free – & halt the proliferation of garment waste in landfills.

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Food fraud can cost as much as $40 billion a year. To fight it, food makers are turning to microchips. The silicon chips are smaller than a grain of sand & cost at a few cents apiece. They are made by p-Chip & use blockchain technology to trace products all the way from growers to grocery shelves.

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