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As the last Ice Age waned and the Holocene dawned, deep-ocean circulation around Antarctica underwent dramatic shifts that helped release long-stored carbon back into the atmosphere. Deep-sea sediments show that ancient Antarctic waters once trapped ...

Dolichospermum, a type of cyanobacteria thriving in Lake Erie's warming waters, has been identified as the surprising culprit behind the lake's dangerous saxitoxins--some of the most potent natural neurotoxins known. Using advanced genome sequencing, ...