Some Cells for Mom

Just in time for Mother's Day, Nancy Shute at Scientific American writes about new research that shows that bits of a baby's genetic material can be passed along to the mother during pregnancy, and that the cells that linger after the birth can influence the woman's risk of getting cancer, rheumatoid arthritis, or other diseases.

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Magdalena Skipper, the incoming editor-in-chief of Nature, speaks with NPR's Weekend Edition Sunday.

Genetic genealogy has led to an arrest in another cold case, dating back to 1987.

In PLOS this week: mutation in second gene widens clinical symptoms of people with ADD3 mutations, comparative genomic analysis of Pseudovibrio, and more.

Wired reports that 23andMe is trying to bolster its outside collaborations.