NEW YORK (GenomeWeb News) – Quest Diagnostics today reported that its revenues in the first quarter dropped 6 percent year over year as it missed the average analyst estimate on both the top and bottom lines.

For the three months ended March 31, the firm brought in $1.79 billion in revenues, down from $1.91 billion a year ago and short of the $1.86 billion expected by Wall Street.

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

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.