See how these bumblebees squeeze through tiny spaces

Sridhar Ravi was outdoors with his colleagues on a summer day in Germany when a group of bumblebees grabbed his attention. As the bees made their way from flower to flower, they skillfully flew between obstacles, dodging branches and shrubs. These actions seemed to require a complex awareness of one’s physical body in relation to one’s environment that had only been proven to exist in animals with large brains.  To examine this, a team of researchers at Australia’s University of New South Wales, Canberra,