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Researchers from the University of Georgia and Oak Ridge National Laboratory in Tennessee have engineered the bacterium Caldicellulosiruptor bescii, adding acetaldehyde/alcohol dehydrogenase gene to the organism so it could ferment sugars while deleting the energy-consuming lactate gene, to convert plant biomass into ethanol.

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Researchers report using genotyping to tie together illegal ivory shipments and trace them back to a handful of cartels, the New York Times reports.

Researchers find that historical factors influence which genes are the most highly studied, the Atlantic reports.

The US National Science Foundation's new sexual harassment policy is to go into effect next month, according to Nature News.

In Nature this week: genomic ancestry analysis of Sardinians, current noncoding mutations in colorectal cancer, and more.