This Week in Science

Science this week has published eight technical comments on the December 2010 paper — authored by the NASA Astrobiology Institute's Felicia Wolfe-Simon and her colleagues — that sparked scientific debate among researchers who called into question its conclusion: that the authors had identified "a bacterium that can grow using arsenic instead of phosphorous." Among the eight published comments is one from the University of British Columbia's

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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.