Paleontologists are calling a recent find in the Russian region of Yakutia a “sensation.” Last September, Aleksandr Banderov and his hunting party were traveling near the Semyulyakh River when they uncovered the preserved carcass of an adolescent wholly rhinoceros, a species that roamed the frozen landscapes of Europe and northern Asia during the last Ice Age. The hunters initially thought it was a reindeer frozen in the ice, but quickly realized it was something much older. “We were sailing past a ravine and noticed hair hanging on the top of it,’ Alexander told The Siberian Times. “At first we thought...