Certain Circumstances

The US Preventive Services Task Force has updated its recommendations for assessing and testing BRCA1 and BRCA2 mutations for breast and ovarian cancer susceptibility. As the task force's chair, Virginia Moyer, writes in the Annals of Internal Medicine, routine genetic screening in the absence of family history of the disease is not warranted.

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A new analysis indicates that the Ebola virus behind the current West African outbreak is mutating at about the same rate as other Ebola viruses.

With the launch of Scott Kelly into space today, the study of him and his earthbound brother to disentangle the effects of life in space from the effects of genetics kicks off.

In Science this week: self-assembly of DNA components in solution, and more.

Genetics and Molecular Research retracts two gastric cancer papers for being "substantially equal" to other papers, according to Retraction Watch.