Japanese researchers have discovered a molecular signature in blood that can tell time according to a person's internal body clock.

InkFish blogger Elizabeth Preston notes the discovery, which was published in PNAS this week by a team from the Riken Center for Developmental Biology in Kobe, Japan.

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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.