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Baruj Benacerraf Dies

Baruj Benacerraf, who shared the 1980 Nobel Prize in medicine, has died, reports The New York Times. He was 90. Benacerraf won the Nobel Prize along with George Snell and Jean Dausset for their work on the immune system. In particular, Benacerraf found that a set of genes governed the strength of a person's immune response. "Although such an observation may seem unsurprising today, when advances in genetics have elucidated the role of genes in virtually every biological process, it was an intellectual leap in the early 1960s, when Dr. Benacerraf conducted his research," the Times adds.

The Scan

Pig Organ Transplants Considered

The Wall Street Journal reports that the US Food and Drug Administration may soon allow clinical trials that involve transplanting pig organs into humans.

'Poo-Bank' Proposal

Harvard Medical School researchers suggest people should bank stool samples when they are young to transplant when they later develop age-related diseases.

Spurred to Develop Again

New Scientist reports that researchers may have uncovered why about 60 percent of in vitro fertilization embryos stop developing.

Science Papers Examine Breast Milk Cell Populations, Cerebral Cortex Cellular Diversity, Micronesia Population History

In Science this week: unique cell populations found within breast milk, 100 transcriptionally distinct cell populations uncovered in the cerebral cortex, and more.