Our Changing World for Tuesday 10 January 2017

9:06 PM.Sunkita Howard is developing an electrical deterrent to discourage spiny dogfish from getting caught on fishing hooks used in the ling longline fishery. Read more Audio, Gallery

7:06 PM.Science communications student Ellen Rykers ponders the Polynesians and their journeys around the Pacific, wondering where they might have got to. Read more Audio