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Will They Still Love You with Brown Eyes?

A fertility clinic in Los Angeles says it will soon offer couples a choice of gender and physical traits in the PGD process. Pre-implantation genetic diagnosis has been used since the 1990s to help couples screen for embryos with fatal genetic defects, but this takes that process to a new level thanks to advances in genetic research. While the director of the Fertility Institutes clinic says it's "cosmetic medicine," it will probably face strong mainstream opposition, says an article in the Wall Street Journal. "It's technically feasible and it can be done," says Mark Hughes, director of Genesis Genetics Institute in Detroit. However, "no legitimate lab would get into it and, if they did, they'd be ostracized."

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.