Discover magazine offers a Q&A with Leon Kass, who served as chairman of the bioethics council charged with advising US President George W. Bush on "such hot-button issues as stem cell research and cloning," the article says. While it may send shivers down your spine to read an interview with someone who "still employs the term bastard to describe the children of unwed parents," it's worth a few minutes to get inside his head.

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Two researchers have found that behavioral genetic defenses in criminal cases don't tend to affect outcomes, according to Popular Science.

Researchers report that while host genetics influence the oral microbiome, they don't appear to affect cavity-causing microbes, the Economist says.

Pandas' gut microbiomes change as what they eat changes with the seasons, writes Discover's Inkfish blog.

In PLOS this week: comparative genomic study of malaria-linked macaque parasite, search for apple root reference genes, and more.