How activity in Earth's mantle led the ancient ancestors of elephants, giraffes, and humans into Asia and Africa / Video shows elephants shielding calves during California earthquake / Elephants huddle to protect calves during earthquake / Elephants to now be tracked using Bengaluru-made radio collars / Robot elephants are replacing real ones in an Indian temple / Misha the elephant lived in zoos, but her tooth enamel helps reconstruct wildlife migrations / Putin thanks Myanmar PM for gift of six baby elephants / Oregon Zoo's baby elephant to make debut appearance on 21 February / 60 Minutes reports on elephants in Thailand / Two elephants killed after collision with fuel train in Sri Lanka