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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Sometimes genetic tests give inconclusive results and provide little reassurance to patients, the Associated Press reports.
Vox wonders whether gene-editing crops will be viewed similarly as genetically modified organisms of if people will give them a try.
In Science this week: research regulation and reporting requirement reform, and more.
With H3Africa, Charles Rotimi has been working to bolster the representation of African participants and African researchers in genomics, Newsweek reports.