https://thenextweb.com/syndication/2019/02/16/new-research-shows-bees-can-do-math/ > The humble honeybee can use symbols to perform basic maths including addition and subtraction, shows new research published today in the journal Science Advances. > Despite having a brain containing less than one million neurons, the honeybee has recently shown it can manage complex problems – like understanding the concept of zero.