Topic: animal-intelligence

Bumble bees pass a classic animal-intelligence test, surprising scientists

• A bumble bee, faced with a reward it could not reach, worked out that it could roll a small ball into place and climb on top to get there — a flash of problem-solving that scientists had long associated with far larger brains.
• The finding, from a study in the journal Science, adds to mounting evidence that insect minds are more capable than their size suggests.