‘Ghost fleas’ bring toxic mercury up from the depths of prairie lakes
Migratory invertebrates move pollutant to the surface, where it accumulates in fish
Oceanography
Read our COVID-19 research and news.
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When dikes burst, salt marshes might lessen deadly flooding
Coastal wetlands could also prevent dikes from breaching, according to new Dutch study -
Deep-sea currents are behind the ocean’s thickest piles of microplastics
One square meter of sea floor can contain up to 1.9 million plastic pieces -
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Plan to move beluga whales from Canada to U.S. aquarium sparks controversy
Mystic aquarium in Connecticut says whales would be used for research -
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Ancient warming threw this crucial Atlantic current into chaos. It could happen again
Sediment core reveals rapid swings in ocean “conveyor belt” that warms Europe -
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Fishing trawlers could harm water quality by disrupting seafloor microbes
A unique experiment in Australia shows trawling reduces removal of nitrogen pollution -
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Global warming is speeding up Earth’s massive ocean currents
Rising winds boost flows in tropics and Southern Ocean -
Samples from famed 19th century voyage reveal ‘shocking’ effects of ocean acidification
Plankton shells today are dramatically thinner than they were during HMS Challenger voyage -
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Analysis challenges slew of studies claiming ocean acidification alters fish behavior
Three-year effort fails to replicate findings that spurred widespread concern
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