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What if We Move?

According to a new study from researchers at Kings College London, the question of nature versus nurture may vary depending on location, reports NPR's Shots blog. As they write in Molecular Psychiatry, the researchers analyzed and mapped out geocoded data on 45 phenotypes from 6,759 twin pairs involved in the Twins Early Development Study. From this, they found that the contribution of genes and environment to complex traits varies based on location, and then made "maps that identify hotspots in the UK where either genetic or environmental factors dominate," the Shots blog says.

"You can see areas where the variation is explained by genes, and areas where it's explained by the environment," lead author Oliver Davis 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.