This Week in Science

In this week's Science, researchers from Lawrence Berkeley National Laboratory and collaborators describe the reconstruction of the nearly complete genomes of 21 bacteria that have been widely detected in anaerobic environments, but whose metabolisms remained unclear. The investigators delivered acetate to an aquifer to stimulate the bacteria, then filtered out microbial cells. Of the 49 distinct genomes detected, they were able to mostly complete 21 genomes.

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Biologists turn to environmental DNA sampling to determine whether elusive or invasive species are shedding DNA in a given area.

Rob Knight writes at Scientific American that microbiome studies are about to break out of the laboratory.

Harold Varmus, the director of the National Cancer Institute, has announced that he is stepping down after nearly five years.

In Nature this week: omic analysis of permafrost microbes, hookworm genome, and more.