At the entrance to the maze, the bees were shown a simple image, such as a circle with black and white vertical stripes. At the fork, each possible path was marked with its own simple image ...

or the "black-and-white" vision used to track motion. Since speedy vision takes up quite a bit of energy, the results suggest seeing quickly in color must be rather valuable for bees. You may like ...

Bumblebees' distinctive bright yellow and black ... and white," said Dr Raine. The scientists expected birds to rely on visual clues, meaning they would be more likely to attack bees that looked ...