Wednesday, July 17, 2019
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drinking water

Drinking water: how to deliver it chlorine-free?

Chlorinated tap water is the norm around the world, but the experiences of several European countries is that it doesn’t have to be. The...
nitrogen

‘Holy grail’ bacteria for crop farming debunked by scientists

Crops depend on a supply of nitrogen for their growth. Farmers can supply it in the form of fertilisers but it can also be...