Taking into account recent developments in biomedical technology over the last 20 years or so, a new document backed by Pope Benedict XVI called "Dignitas Personae (The Dignity of a Person), an Instruction of Certain Bioethical Questions," reasserts the Vatican's opposition to embryonic stem cell research, in vitro fertilization, and human cloning. The morning after pill and other similar drugs were called "gravely immoral," says a BBC story.

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.