What are animals saying? AI is helping to decode

Do you speak dolphin? What about marmoset or nightingale? Did you know cuttlefish use a form of sign language to communicate? If your answer was no to all those questions, you should know that scientists are working to turn that into a yes — and AI is playing a key role. How to decode animal communication, and whether that's even a good idea. Three animal communication scientists join us to talk it all through - human to human.