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After This, Montezuma's Revenge Could Be a Walk in the Park

This story from the New York Times reports on preliminary indications that toxic chemicals in the water in India may be responsible for genetic mutations in the population. The toxins include arsenic and mercury, and the story says that people in the affected area of Punjab are showing high rates of cancer as well as other diseases. Some 65 percent of people tested had mutated DNA, 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.