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  3. Apple’s new Powerbeats Pro 2 earbuds get heart rate sensors, improved design

    Apple’s new Powerbeats Pro 2 earbuds get heart rate sensors, improved design

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  4. MIT builds swarms of tiny robotic insect drones that can fly 100 times longer than previous designs

    MIT builds swarms of tiny robotic insect drones that can fly 100 times longer than previous designs

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