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RNAi and GMO...That Might Be Too Many Letters

Researchers at Monsanto and other companies are working on ways to create genetically modified crops that would induce RNAi in specific pests, reports MIT’s Technology Review. Nature Biotechnology published two papers recently showing that in some insects, simply eating double-stranded RNA effects gene silencing. The new GMO plants, researchers hope, will kill the pests more effectively than Bt toxin.

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.