Bees join an exclusive crew of animals that get the concept of zero
Honeybees can pass a test of ranking ‘nothing’ as less than one
![honeybee experiment](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/06/060718_SM_honeybees_feat.jpg?fit=860%2C460&ssl=1)
BEE CHOSES NOTHING Bees show some sense of the idea of zero, researchers say. Tests required the insects to choose between images with various numbers of dark shapes.
S. Howard