It is well-established that using your arms or hands is not allowed in football. Yet changes to the rules have made it difficult to comprehend for players, coaches, fans and even officials themselves.

Ravens use “hand” gestures. It turns out that ravens make “very sophisticated nonvocal signals,” according to researchers. In other words, they gesture to communicate.

We take a deep dive into the inner workings of the wildly popular AI chatbot, ChatGPT. If you want to know how its generative AI magic happens, read on.