Watch astonishing tests of avian aptitude: parrots that can plan for the future, jackdaws that can “read” human faces, and crows that can solve multi-step puzzles with tools like pebbles, sticks, and hooks. Could these just be clever tricks, based on instinct or triggered by subtle cues from their human handlers?
Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
