Venus transits the rising Sun

Mirage maker

30 October 2015

Aditya Sadhanala wanders over to the wall, turns a pulley, and a wooden box about a metre squared swings up and away. Below it gleams...

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mobile-mobile

Phone for a doctor

28 October 2015

Worried you might be at risk from diabetes? Check your phone: it might help stop 
you getting the disease. And if you already have diabetes?...

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