Eric Lafforgue/Art in All of Us/Getty Images
Ulet Ifansasti/Getty Images
REUTERS
Maiya Focht

The largest land mammal of our time has an evolutionary story at least 60 million years in the making.
Jeremy Woodhouse/Getty images

Just like people, some elephants might have more of a knack for puzzles than others, new research this week suggests. The study of wild Asian elephants at an animal sanctuary found that only some were willing and able to solve a puzzle box that offered food as a reward, and even fewer cracked all three types of…
Piroschka van de Wouw/Reuters