This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, a Johns Hopkins University- and University of Iowa-led team describes a genome engineering scheme centered on a modified version of the piggyBac transposase enzyme and its corresponding transposon, which were used in combination with zinc finger proteins in the proof-of-principle study.

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Labs in the US and South Korea are hoping to bring the woolly mammoth back from beyond extinction, Newsweek writes.

Geneticist Adam Rutherford speaks with National Geographic about paleogenetics, race, and more.

Researchers link genetic links between education and smoking and longevity.

In PNAS this week: influence of gene environment interactions on polygenic traits, epigenetic features affecting fruit fly foraging, and more.