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Artificial Biology and Artificial Biologists

Two scientists in this Economist article have different visions of artificial life. David Harel from Israel's Weizmann Institute wants to create a computer model of C. elegans, saying that scientists will only fully understand what goes on during development when an artificial model exactly follows the processes in the live model. Stephen Emmott, who works at Microsoft Research, is working on building a computer from biological parts to make an artificial scientist that can catch relationships hidden in the data that a human would miss.

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.