This Week in PNAS

Researchers from the US and the UK used a molecular clock modeling method to take a look at the H1N1 influenza A virus behind the 1918 pandemic, using full length sequence data for influenza A viruses from a range of subtypes and host preferences. The team did molecular clock analyses on each influenza A gene using a few hundred sequences apiece, generating data that puts the emergence of the 1918 pandemic flu virus sometime prior to 1907 or so.

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A new report highlights the potential threats posed by advances in synthetic biology, NPR reports.

A Bloomberg reporter tried to get her genetic data deleted, but found it's not so simple to do.

Johns Hopkins University's Steven Salzberg and his colleagues have come up with a new estimate for the number of human genes, Nature News reports.

In Genome Research this week: study of intra-tumor heterogeneity, workflow resources for EPIGEN-Brazil, and more.