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Who's in Your Lineage?

SciLink's Tree of Science, which creates a sort of genealogy of scientists who have worked together, might be the way to find biology's equivalent of an Erdos number, blogs The Daily Transcript's Alex Palazzo. "In any case to figure out the biology equivalent we would need some sort of repository, or even better some navigational network that lets you explore any possible connection. And now we have the perfect application," writes Palazzo.

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.