NEW YORK (GenomeWeb Daily News) – A certain polymorphism in the stress-linked serotonin 2C receptor gene is linked to an increased risk of cardiovascular disease morbidity and mortality, researchers led by Duke University's Redford Williams reported in PLOS One yesterday.

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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.