Bonobos are smart animals that can tell when someone doesn't know something. This is called theory of mind, which is thinking about what others are thinking. Humans use this skill to understand and help others. Scientists studied three bonobos to see if they could recognize when someone didn't know where a treat was hidden. The bonobos were quicker to point out the treat when the person didn't see where it was hidden. This shows that bonobos can understand when someone has a different perspective and can help them. This research helps us learn more about how animals think and communicate. It shows that bonobos have special skills that help them cooperate with others. This ability is important for working together and sharing information. Even though the study was done with bonobos raised in captivity, it still gives us a glimpse into how our ancient human relatives might have acted. It suggests that they also had these abilities and used them to work together and communicate effectively. Overall, this study shows that bonobos are very smart animals that have the ability to understand what others know or don't know. This helps them cooperate and communicate with each other, just like humans do. Studying animals like bonobos can help us learn more about how different species think and interact. It's amazing to see how intelligent and caring animals can be!