This Week in PLoS

In PLoS ONE this week, Eric Schadt and his colleagues quantified the extent of population stratification in Caucasian American, African American, and Hispanic American populations. After genotyping and measuring gene expression in liver tissue from nearly 1,100 individuals, the team came up with a method for detecting this population stratification and also examined how it affects expression quantitative trait loci in genome-wide association studies.

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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.