1/3 In this week's Discovery Sue Broom investigates the science behind tuna aquaculture.
Mike considers intensive farming, hears ghoulish tales on the river and reads eco fiction
Jupiter's Red Spot; Incas & climate change; an underwater glue; Evolution & cat language
A special quiz edition of Digital Planet recorded at SXSWi Festival in Austin, Texas.
Mike admires tigers, learns about tuna and we hear from the man who hunts illegal hunters.
Rory Cellan-Jones explores the future of the world wide web and the science behind it.
Selling ivory; earthquake science; dead zone microbes; octopus camouflage & wireless buses
Eve economy; web behaviour test; Love Clean Streets; EpiSurveyor
Mike builds an eco house, considers wild swimming, and chats about the end of civilisation
Permafrost thawing releasing methane; Dead pigs in the sea and Hollywood science.