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The Fountain of Lifespan Regulators

A paper in PLoS Genetics from Gary Ruvkun's lab at Harvard and Mass General details a study of C. elegans looking for evolutionarily conserved elements that control aging. A screen of 2,700 genes turned up 64 genes that, when inactivated, extend the organism's life. According to the paper, these "candidate lifespan regulators are highly conserved from yeast to humans."


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.