In the wake of safety questions over GlaxoSmithKline's Avandia, FDA is recommending more rigorous testing of diabetes drugs for heart attack and stroke risk. The new recommendations are effective immediately, reports the Wall Street Journal, and they suggest that clinical trials should be redesigned with heart attack and stroke risk assessment in mind, and that any cardiovascular events that occur during the trial should be reviewed by independent, blinded cardiologists.

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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.