PCBs levels down in Norwegian polar bears

It's never been easy to be a polar bear. They may have to go months without eating. Their preferred food, seal, requires enormous luck and patience to catch. Add to that the melting of Arctic sea ice due to climate change, ...

Ocean nutrients a key component of future change, say scientists

(Phys.org) —Variations in nutrient availability in the world's oceans could be a vital component of future environmental change, according to a multi-author review paper involving the National Oceanography Centre, Southampton ...

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