New research out of the University of Illinois shows that RNAi may be less effective in some populations of Western corn rootworms compared with others, adding a new wrinkle to ongoing efforts to use the gene-silencing technology for agricultural insect control.

As a result, those developing RNAi-based strategies to fight pests should consider the consistency of the technology in phenotypically different populations before commercializing them, according to the investigators.

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A fire at a Manchester hospital may have destroyed lab equipment and data, the Guardian reports.

Researchers generate a genetic database from skeletal remains from the 1845 Franklin Expedition to the Arctic, Live Science reports.

Researchers in China have begun another trial using CRISPR/Cas9 approaches in cancer patients, according to the Wall Street Journal.

In Science this week: human DNA found in sediments from archeological sites lacking bones, and more.