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Science

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Science

Origin of Stonehenge’s altar remains enigma as north-east Scotland theory ruled out

Geologists say they are getting closer to solving mystery as tests suggest stone may have come from elsewhere in Scotland, northern England or even Ireland They spent countless hours on weather-battered Scottish hills, a hardy band of geologists searching for the origin of one of Stonehenge’s most intriguing features. But the prehistoric monument tends to yield its secrets reluctantly, and a new scientific report reveals that the origin of Stonehenge’s altar stone remains elusive – and the wind-whipped geologists may very well have been looking in the wrong spot anyway. Continue reading...

The Guardian
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Science

‘Ferritin face’: what you need to know about low iron - podcast

Social media is awash with claims iron deficiency can be identified in the mirror by dark circles, breaking hair and dry skin. But is ‘ferritin face’ real? Madeleine Finlay tells Ian Sample why so many of us struggle to keep our iron levels up, how we can actually diagnose low iron and the best way to correct a deficiency, with help from Hal Drakesmith, a professor of iron biology at Oxford University, and advice from Dr Sue Pavord, a consultant haematologist at Oxford university hospitals and associate senior lecturer in clinical medicine at St Edmund Hall ‘Ferritin face’: are social media cl

The Guardian
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