Mehtaab Sawhney, who joined Columbia last year, enjoys the thorny work of proving a seemingly straightforward statement of ...

Crows can recognize geometric patterns, suggesting that humans aren't unique in understanding shape structure.

Crows have a sense of geometric intuition much like our own, a new study reveals. They can detect the 'odd one out' in a set ...

While rare, a few birds we studied were rule-breakers. One such rule-breaker is the Eurasian spoonbill, whose highly ...