Are bumblebees as smart as chimps? A new problem-solving experiment makes the case

Are bumblebees as smart as chimps? A new problem-solving experiment makes the case CNN ‘They surprise me every time’: bees can use tools to solve problems, study finds The Guardian Bumble bees show spontaneous problem-solving, challenging big-brain assumptions Phys.org Bumblebees Have Chimp-Like Problem-Solving Abilities Despite Tiny Brains Yahoo Bumblebees use tools to solve complex problems—despite not being trained to do so Scientific American