In a methods paper published online in advance in Nucleic Acids Research this week, Stanford University's Emily Harcourt and Eric Kool present an approach for isothermal amplified detection of miRNA based on two nucleic acid-templated chemistry steps. Harcourt and Kool say that their doubly templated double-amplification approach offers "significant advantages in ease of operation for miRNA detection."

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.