Engineering

Canada hospitals use drones to carry lungs for transplant

In the dark of night, a drone takes off from a Toronto hospital rooftop, the hum of its rotors barely audible over the bustling sounds of the cars and pedestrians below in Canada's largest metropolis.

Hi Tech & Innovation

Wi-Fi could help identify when you're struggling to breathe

Wi-Fi routers continuously broadcast radio frequencies that your phones, tablets and computers pick up and use to get you online. As the invisible frequencies travel, they bounce off or pass through everything around them—the ...

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