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Novaerus has developed technology that not only clears the coronavirus from the air but also kills it using a plasma discharge. Photograph: Nexu Science Communication via Reuters

If the coronavirus pandemic has shown us one thing, it’s how quickly things change. From the economies that almost ground to a halt to the ever-evolvi(...)

Oura ring: may be able to spot early warning signs of Covid-19 in people and alert them to the potential need to quarantine or get a test.

Oura €299 Have you heard about the Oura ring? The wearable device is subtle(ish), tracks your activity and vital statistics, and it could serve as an(...)