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Soil analysis finds significant contamination from heavy metals in UK churchyards

Dangerous elements like lead are present in concentrated levels in graveyard soils around UK churches. It presents potentially major problem for surrounding communities and potential redevelopment of sites like this. Scientists used portable X-ray fluorescence techniques to analyse soil in two U.K. churchyards. The sites chosen featured known...

What makes cobalt essential to life?

Cobalt sits in the centre of the corrin ring of vitamin B12 and we derive important cobalamins from it. Two of our enzymes use these painfully constructed and meticulously channeled cofactors. Why do our cells travel great lengths to get a little bit of...