Growth Spurt

A US National Science Foundation report issued last week shows that graduate enrollment in science and engineering programs has grown "substantially in the last decade, but slowed in 2010." According to the report, graduate enrollment in biomedical engineering — which jumped 7.5 percent from 2009 to 2010 — is one of the fastest growing, experiencing 165 percent growth throughout the last decade.

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In PNAS this week: genomic study of group B Streptococcus evolution, selection on the X chromosome in great apes, and more.

Changing the fat and fiber content of people's diets affects their gut microbiome, metabolome, and colon cancer risk, researchers say.

Broken links are found throughout academic publications, and some services are trying to combat such link decay.

Nick Stockton at Wired says that a pause in studying genome-editing tools should be used to find a path forward.