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More Ways to Skin a Cat ... Er, Mouse

In an online early article over at PNAS, researchers lead by Jinsong Li report that they cloned 19 mice from adult mouse skin stem cells. Nine of these furry clones survived to adulthood. Skin, the researchers say, is a viable source of stem cells. Can't say that we'd give up our skin to make more mice, but whatever floats your boat.

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.