This Week in Nature

In this week's Nature, two separate research groups report on the evolution and function of the Y chromosome in male mammals. In one paper, a team from the University of Lausanne and elsewhere describe the use of a novel sequencing technique to examine Y evolution across 15 mammals, showing the origins of the chromosome in placental and marsupial mammals, which emerged just before the split of these lineages around 180 million years ago.

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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.