New Rules

NIH issued the final rules for federally sponsored embryonic stem cell research and they become effective today. Older lines may still be eligible for use. "Many of the lines already in existence may have met very rigorous standards of informed consent but may have been implemented in ways not consistent with the present guidelines," Dr. Kington says.

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Sequencing could help combat foodborne illnesses, according to a blog post by Food and Drug Administration officials.

Popular Mechanics reports that Caltech researchers have built a prototype nanobot using DNA.

The Sacramento Bee writes that direct-to-consumer genetic testing connected a woman to sperm donor-conceived half siblings.

In PLOS this week: gene expression catalog for sheep, viral diversity among respiratory samples from camels, and more.