In the early, online edition of Genome Research, the National Human Genome Research Institute's Elaine Ostrander and colleagues from the US and Ireland describe variants falling in and around half a dozen genes that seem to explain a good deal of the diminished size seen in some dog breeds. The group did fine mapping on four loci linked to canine body size in past work.

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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.