Video Providers
Join marine biologist Kathy Townsend as she reveals the secret world of the manta ray. Journey to manta hotspots in Mexico, Micronesia, the Maldives and Project Manta's base on Australia's Great Barrier Reef where Kathy and her team are finding there's more to manta rays than just an enormous fish. But, mantas are under threat, and this at a time when they could be key indicators of our rapidly changing world.
Choose a quality and server to start downloading.
French philosopher Brillat-Savarin wrote, “The destiny of nations depends on how they nourish themselves.” By 2050, we’ll need to feed 10 billion people. How can we do that without overwhelming the planet? National Geographic explores how we can use science to feed the world.