Marine biologists interpret whale sounds

sea-maid submitted, created time 5 months 1 week (www.nature.com)

The splashes, barks and grunts of baleen whales carry much more meaning than biologists thought, according to the latest survey of the marine mammals.

The scientists behind the study say that these noises could be the ideal characteristics for conservationists to monitor to understand the growing impact of noises made by humans on the underwater environment.

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Double life of sea bacteria

sea-maid submitted, created time 6 months 1 week (www.pnas.org)

Analysis of marine cyanobacteria and proteobacteria genomes has provided a profound understanding of the life strategies of these organisms and their ecotype differentiation and metabolisms.

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