All the DNA on Earth

There are some 50 trillion trillion trillion DNA base pairs on Earth, the New York Times reports.

A trio of researchers from the University of Edinburgh sought to calculate all the DNA in the biosphere as part of study of biodiversity.

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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.