LifeThe truth about de-extinction: is it even possible, and why do it? Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many technical and ethical hurdles, what is the real motivation? Features
LifeHow the massive dogs bred to protect livestock could save wolves too Livestock guardian dogs traditionally used to protect herd animals from predators are now also being hailed as a way to conserve the animals they are trained to scare off Features