In the game of getting sick, it’s all about where you do, or don’t, put your hands. But in some public places you just can’t avoid it.Target 7 swabbed escalators and elevators for germs. Tap here to ...
Space elevators – a futuristic idea in which space is accessed via long tethers with the power needed being transmitted on beams of light – are the target of two new cash prizes, sponsored by NASA.
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