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The Tanning Gene

Everybody's favorite tumor-suppressor gene, p53, also switches on the process that leads to tanning. This additional function may explain why redheads and fair-skinned people whose skin isn't amenable to getting tan have a greater cancer risk, according to this paper in the journal Cell.

So next time you see someone with a great tan, remember that the person is also showing off cancer-prevention ability as well.

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.