Cerf's up: Vint on the net in space. Photograph: Frank Baron/Guardian
A few in the latest edition of Science Weekly, our non-award winning science and technology podcast.
Vint Cerf explains how he's taking the internet to Mars, and we discuss the latest research into Spider-man suits.
Plus Neil Turok, chair of mathematical physics at Cambridge, takes the time to explain some of the basic tenets of cosmology. For those of you who are interested, we've also got interviews with astronomer royal Martin Rees and astrophysicist Bernard J Carr.
Listen to the show now by clicking here, or visit our podcast blog to get more information on subscribing via iTunes or our RSS feed.
