We remember Ai, a highly intelligent chimpanzee who lived at the Primate Research Institute of Kyoto University for most of her life, except the... Opinion: Remembering Ai, a remarkably intelligent ...

Chimpanzees may well share with us cognitive abilities that were thought to be reserved for humans. A recent study reveals that these primates are capable of modifying their convictions when faced ...

For decades, ape experts have searched for cognitive abilities in this animal group that are similar to humans, in order to ...

Chimpanzees are capable of complex emotions. While this is common knowledge today, it was not in the 1960s. It was not until Jane Goodall began working in the field of animal research that this ...

The death of a possible genius was reported this week. Ai, a chimpanzee who was born in West Africa and came to the Primate Research Institute of Kyoto University in Japan when she was a year old, has ...