Not Too Natural, Now

With recent court rulings in the US against Prometheus Laboratories and Myriad Genetics, rules issued by the Patent and Trademark Office say that for an invention to be patentable it has to be "significantly different" from natural products.

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In Nature this week: expansion of disease-resistance genes among long-lived oak trees, and more.

In a proof-of-concept study, researchers report being able to determine age from dried bloodstains, Discover's D-brief blog reports.

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.