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Philosopher of Biology Dies

Philosopher of biology Marjorie Grene died March 16th in Blacksburg, Va., at the age of 98. Grene studied the synthetic theory of evolution, the implications of chance in natural selection, and the New York Times says that her "guiding light was Aristotle."

"She was arguably the founding figure in the new field of the philosophy of biology," says Michael Wedin, a philosopher at the University of California, Davis.

The Scan

Purnell Choppin Dies

Purnell Choppin, a virologist who led the Howard Hughes Medical Institute, has died at 91, according to the Washington Post.

Effectiveness May Decline, Data From Israel Suggests

The New York Times reports that new Israeli data suggests a decline in Pfizer-BioNTech SARS-CoV-2 vaccine effectiveness against Delta variant infection, though protection against severe disease remains high.

To See Future Risk

Slate looks into the use of polygenic risk scores in embryo screening.

PLOS Papers on Methicillin-Resistant Staphylococcus, Bone Marrow Smear Sequencing, More

In PLOS this week: genomic analysis of methicillin-resistant Staphylococcus pseudintermedius, archived bone marrow sequencing, and more.