Test Tube Corals
Dr Mary Hagedorn of the Smithsonian Conservation Biology Institute tells Claudia Hammond about her work to save threatened coral species. Her approach amounts to an IVF clinic for these ecologically vital reef-building colonial creatures. But how do you collect sperm from a coral in the ocean?
Victoria Gill on how light pollution may pose a threat to corals, adding the onslaught from pollution, climate change and over-fishing at reefs.
Madagascar's Lemurs Cling to Survival
The famous lemurs of Madagascar face such severe threats to their survival that none of them may be left in the wild within 25 years. That stark warning comes from one of the world's leading specialists in the iconic animals. BBC News Science editor David Shukman hangs out with indri (the largest lemur species) and talks to Malagasy conservation scientists trying to save them.
Three Fab Fossils of 2015
Claudia and Victoria chat about three fabulous fossils announced during the year. Th