The origins of shelter dogs can be obscure, and Gemma Tarlach at Discover writes that her three dogs are no different. One looks like an American Bulldog and another like a Labrador, while her third acts like a hound, with a predilection for treeing squirrels and baying, though all have pit bull-like characteristics.

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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.