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This Week in Science

In a paper published online in advance in Science this week, an international team led by investigators at the University of Cambridge shows that segment 3 of the influenza A virus contains a second open reading frame, X-ORF, which is accessed by way of ribosomal shifting. The team found that the product of this, PA-X, modulates virulence in a mouse model by decreasing pathogenicity.

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Bloomberg reports that the DNA-for-cash deal reported in Kentucky might be a more widespread scam.

St. Jude Children's Research Hospital scientists have treated infants with X-linked severe combined immunodeficiency using gene therapy in an early phase study.

St. Louis Public Radio reports that some African Americans are turning to DNA ancestry testing to help guide genealogical searches.

In Nature this week: a genomic analysis of the snailfish Pseudoliparis swirei, ancient DNA analysis gives insight into the introduction of farming to England, and more.