Friends and Theory 17.5: Good news, more crocodiles!Zak is away on business so Peter takes over and rattles through some stories from the last week and also does a book review for all you word fans out there.What have we got? A ninth planet, a new car, an artificial heart, an AI learning to walk and more!We'd love to hear from you, you can find us …

We've got plenty of news for you this week, as well as some words of inspiring wisdom from the amazing Inspirobot!As well as that, we take a look at Elon's new big battery in Australia, how to measure tranquility, and should we give cars human morals?All this and more inside!Check out the image of Jupiter we mention here: https://www.nasa.gov/image…

We've got another smorgasbord of delectable new stories for you to sample this week, along with some great life advice!How about a new parrot species? Some dino lifestyle rethinks? Purple Rice? A pair of black holes locks in a deadly dance? And you should definitely eat more chocolate.We'd love to hear from you, you can find us at/on:Email: friends…