A meta-analysis in the Journal of the American Medical Association says that the "addition of the serotonin transporter genotype did not improve the prediction of risk of depression beyond that associated with exposure to negative life events" — contrary to what a 2003 study found.

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A fire at a Manchester hospital may have destroyed lab equipment and data, the Guardian reports.

Researchers generate a genetic database from skeletal remains from the 1845 Franklin Expedition to the Arctic, Live Science reports.

Researchers in China have begun another trial using CRISPR/Cas9 approaches in cancer patients, according to the Wall Street Journal.

In Science this week: human DNA found in sediments from archeological sites lacking bones, and more.