News tagged with ocean conditions

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Poisonous oceans delayed animal evolution

Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making ...

dateOct 24, 2011 in Earth Sciences
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Tracing the origin of Arctic driftwood

Tracking the origin of driftwood samples could help scientists to reconstruct past currents in the Arctic Ocean, a new study suggests. Arctic currents are likely to be affected by changing climate, but there are few observations ...

dateJan 29, 2013 in Earth Sciences
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