In the news pod this week, Elon Musk's Neuralink chip is successfully implanted into a human brain, but what's the potential of computer brain interfaces? Also on the programme, an Imperial scientist reveals the reason for insects' attraction to street lights, and we hear about one of the health benefits of fasting. Plus, join us on a sneak preview of a Cambridge museum exhibit all about the evolution of the spine... Like this podcast? Please help us by supporting the Naked Scientists