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Cutting-edge news & reports from PNAS, one of the world's most-cited scientific journals, sibling journal of @PNASNexus & an official journal of @theNASciences.

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linkhttp://www.pnas.org calendar_today28-02-2011 16:44:39

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a year ago

Common single-celled plankton can attach to chitin—hard shell material arthropods shed in the sea. Researchers hypothesize that these plankton groups rafted on bits of chitin to colonize the open ocean 500 million years ago. In PNAS: ow.ly/A8rZ50OthHU

Common single-celled plankton can attach to chitin—hard shell material arthropods shed in the sea. Researchers hypothesize that these plankton groups rafted on bits of chitin to colonize the open ocean 500 million years ago. In PNAS: ow.ly/A8rZ50OthHU