Where would you go to find an enchanted underwater forest? How come some Mexican rattlesnakes have lost their rattle? And why does an Indian elephant look like its smoking cigarettes?
Adam Rutherford meets a new creature created by American scientists - the spider-goat. It is part goat, part spider, and its milk can be used to create artificial spider's web. It is part of a new field of research, synthetic biology, with a radical aim: to break down nature into spare parts so that we can rebuild it however we please.
The young spotted hyena Mizumu is high-born, the son of an alpha female who leads a troop of Luangwa Valley hyenas. Despite his royal blood, he must leave the clan and set out alone once he reaches adulthood. The wilds of Luangwa are dangerous, packed with ruthless predators. He eventually makes his way toward a rival bachelor clan-but can he convince them he's a worthy addition to their ranks?
David Attenborough returns in this landmark series to his most magical place on earth exploring the Great Barrier Reef aboard the research vessel Alucia. Part 1: Builders David descends beneath the waves at night in the state-of-the-art Triton submersible, the first of its kind to visit the reef. He meets some of the tiny coral animals that built the reef and helped to turn it into an underwater wonderland. He then takes to the skies to witness the vast scale of their endeavour, a living structure that provides a home for thousands of species. Using cutting-edge technology to generate computer scans of the sea floor, David learns that the Great Barrier Reef we know today is much younger than scientists ever imagined. He meets some of the people that have lived alongside it and who have told stories of its origins for thousands of years.