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High-tech tattoo can stop athletes hitting the wall
A biosensor worn on the skin tells athletes when their lactate levels are rising, offering an easy way to monitor performance during endurance sports
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A biosensor worn on the skin tells athletes when their lactate levels are rising, offering an easy way to monitor performance during endurance sports
Future fridges could have drawers where soft fruit is kept mould-free for days by ultraviolet LEDs that turn on when the door is shut