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The Mouse with the Elephant's Memory

Scientists at St. Andrew's University report in the journal Molecular and Cellular Neuroscience that they have genetically engineered mice in which the symptoms of Alzheimer's disease are sent into reverse, according to a news piece in the Guardian. They engineered the mice to produce what they call a "decoy" protein that binds to amyloid protein, preventing amyloid from binding to ABAD, and thereby preventing the disease from actively destroying nerve cells.

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.