A citizen science group called the American Gut Project has examined the gut microbes of some 800 people to examine differences in the bacteria living there, writes Katherine Harmon Courage at Scientific American's Observations blog.
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In PLOS this week: genetic study of breast cancer in Egyptian families, mutations linked to cleft lip and palate, and more.
Council Bluffs, Iowa, schools are encouraging more girls to pursue STEM courses, according to the Associated Press.
Because of new open-access requirements, Gates Foundation-funded researchers can't publish in some top journals, Nature News reports.
In Science this week: deletion of one microRNA allows pluripotent stem cells to form embryonic and non-embryonic lineages, and more.