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'Small, Fast'

The first ever "personal-computer-like" DNA sequencer, what most researchers couldn't wait to have, is getting even faster, says Forbes' Matthew Herper. The Ion Torrent Personal Genome Machine, which launched in December, will be even more powerful — about 100 times more — by the end of the third quarter of this year, the company has said. "That means that the PGM will be able to sequence 1 billion letters of DNA code in two hours," Herper says, "making it much more competitive with a rival machine, the MiSeq, developed by Illumina."

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.