More surprisingly so can some plants: https://nytimes.com/2016/02/02/science/the-venus-flytrap-a-plant-that-can-count.html https://nytimes.com/2016/02/02/scienc

More surprisingly so can some plants: https://nytimes.com/2016/02/02/science/the-venus-flytrap-a-plant-that-can-count.html https://nytimes.com/2016/02/02/science/the-venus-flytrap-a-p... The plants basically use electrical charges to stimulate their cell and after X simulations an action is taken (like closing a trap).