Double Trouble

Identical twins don't necessarily have identical genomes. Anne Casselman at Scientific American writes that the University of Alabama at Birmingham's Carl Bruder has examined the genomes of 19 sets of adult identical twins, finding that some twins had points of genetic differences, including different copy number variants of some genes.

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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.