Bringing extinct species back from the dead.
The word "extinct" sounds pretty final -- and as a concept, it certainly should be. But the normal harbinger of bad news - the "Red List" issued by the World Conservation Union (IUCN) - will actually reveal some good news when it is published in October, for one species at least.
The La Palma Giant Lizard that had been believed extinct for 2,000 years, turns out has been alive and well and living in the Canary Islands.
CNN talked to Simon Stuart, chair of the IUCN Species Survival Commission's Biodiversity Assessment Subcommittee on why sometimes the final curtain isn't so final after all.
