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I Want My DNA!

Writing in the New Scientist, Daniel MacArthur and Caroline Wright say that when it comes to DTC genetic testing, they "believe that regulation is needed, but are worried that it will focus too heavily on 'protecting' consumers from their own genomes." The authors note that once "lauded" as Time's invention of the year, personal genome scans have had a hard time "living up to that promise," and consequently their medical value has been limited. But, MacArthur and Wright say, not all DTC companies hold themselves to the same standards. "What is needed is measured regulation that protects unwary consumers, punishes false claims and weeds out fraudsters without destroying the potential of DTC genetics to drive innovation and educate the public," they write.

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.