Test-tube rhinos
People Fixing the World - A podcast by BBC World Service - Tuesdays
Scientists have hatched an incredible plan to save the northern white rhino from extinction. The team is using IVF techniques to produce a calf because the only two females left alive are infertile. Nick Holland reports on how close they are to succeeding and of their hopes to eventually release a whole herd back into the wild. Produced and presented by Nick Holland
