W hen most people think of shapes, they imagine a triangle, a rectangle, or maybe even a fancier- sounding rhombus or trapezoid. But to mathematicians, shapes encompass a vast universe of surprising ...

Crows are arguably among the smartest creatures on the planet, possessing some cognitive abilities that rival those of 5- to ...

The May issue of Scientific American takes you on a deep-sea mining mission, explores dark comets and examines an invisible threat to the food we eat ...

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