S4E4:Curious Counters

7 Mar 201722 minTV-G

Can animals count? It’s a question that has intrigued scientists for a long time, as David Attenborough learns in this engaging nature documentary. Just over a hundred years ago, a German horse called Hans was declared a mathematical genius, but all was not as it seemed. And strangely, some bamboos around the world flower at the same time no matter where they are. Could they be counting the years?