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Farewell to Frank Westheimer

Frank Westheimer, a retired Harvard University professor, died last weekend in Cambridge, Mass., at the age of 95. Known to be a pioneer in integrating physical and organic chemistry, Westheimer eventually "shifted his research to enzyme reactions and biochemistry, which led to a new understanding of biological and biochemical processes," according to his obituary in the Boston Globe.


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.