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Well, Ma'am, That's a 78-Year-Old Liver, But Your Gall Bladder Looks Like It's 17

Technology Review follows up on a paper from PLoS Genetics about aging differences between organs and species. The Stanford and National Institute on Aging scientists involved in the project have built a repository of gene expression changes in 16 different tissues over the life of mice. "The researchers' findings suggest that different tissues age very differently, and this could help pinpoint when it is appropriate to use mice as a model of human aging -- and when it's not," according to the article.


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.