Watch scientists train bees to play with tiny soccer balls
Bumblebees – Gardening at Last
Bumblebees Play with Balls
Scientists find bumble bees love playing with balls
Scientists taught individual bees to solve puzzles. Soon, whole
Queen Mary University of London: First-ever study shows bumble bees 'play' – India Education, Latest Education News, Global Educational News
Study suggests bumblebees play
Wetenschappers geven jonge hommels een paar kralen en zien
Scientists teach bees how to play FOOTBALL in bizarre study