This Week in PNAS

In a study appearing in the online edition of the Proceedings of the National Academy of Sciences this week, a team from the Genome Institute of Singapore and the National University of Singapore describes the metagenomic, metatranscriptomic, and culture-based method it used to find three anaerobic microbe strains from the Dehalococcoides mccartyi species that can detoxify polychlorinated biphenyl, or PCB, pollutants in the environment.

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NPR reports that Turkish high school students will no longer study evolution.

Researchers report they sequenced and identified plant species in an "al fresco" laboratory.

An Australian team searches for genetic alterations linked to depression in hopes of developing personalized treatments, the Sydney Morning Herald reports.

In PNAS this week: host contributors to typhoid fever risk, effects of obesity-related variants near TMEM18, and more.