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Is $10,000 Significant?

The US National Institutes of Health announced that it is seeking comments on whether or not it should tighten conflict-of-interest standards for researchers receiving NIH grants, reports Science Insider. According to the Federal Register (PDF), NIH is particularly interested in hearing about expanding the scope of regulation and disclosure, how a "significant financial interest" should be defined, and how to identify and manage institutional-level conflict. Comment deadline is July 7.

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.