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Rich-poor divide in past flu pandemics must guide strategy today

28 February 2018

We ignore the social factors that have shaped death rates in flu pandemics over the past century at our peril, warns Laura Spinney
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Rock dusting on farms could cool the climate, so let's try it

21 February 2018

Crushed basalt applied to agricultural land could soak up billions of tons of carbon dioxide and boost crops. Let's put it to the test, says Olive Heffernan

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