While the gorilla at the Philadelphia Zoo adopted the habit of walking by using his two legs only, a Bornean orangutan named Ozon learnt how to smoke cigarettes in Indonesian zoo.
These handaxes may not look similar to the ones which people might have seen in Marvel movie 'Black Panther' but researchers discovered that these tools were more specialized and used for all purposes.
These pathology images were subdivided into 40,000 smaller samples; 30,000 of these samples were used to 'train' the software, the remaining 10,000 were used to test accuracy.