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

1. Are bumblebees as smart as chimps? A new problem-solving experiment makes the case  CNN
2. ‘They surprise me every time’: bees can use tools to solve problems, study finds  The Guardian
3. Bumble bees show spontaneous problem-solving, challenging big-brain assumptions  Phys.org
4. Bumblebees can spontaneously solve problems, study finds  Ars Technica
5. Bumblebees use tools to solve complex problems—despite not being trained to do so  Scientific American