The ancestors of the Arizona bark scorpion and of other scorpions and spiders underwent a whole-genome duplication event, Phoenix-area KJZZ reports. It adds that while whole-genome duplication events aren't unprecedented, duplications on a smaller scale, such as of chromosomes or single genes, are more common.

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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.