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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American scientists find themselves once again warning the Trump administration not to dismiss science, the New Yorker report.

A new study suggests CRISPR could be used to save coral reefs from dying off, Forbes reports.

Researchers have found that the i-motif shape of DNA previously observed in the lab also exists in human cells, and that it may serve a purpose.

In PNAS this week: a genomic, transcriptomic, and metabolomic analysis of the tea plant, Arabidopsis thaliana's adaptations to specific local environments, and more.