OceanThe rivers cleared by conveyor belt in EcuadorA start-up in Ecuador is using a conveyor belt to skim off and remove plastic from rivers – and working to stop polluters adding plastic to rivers in the first place.FutureThe rise and fall and possible rise of the oysterAs the US leapfrogged through industrialisation, many of its urban workers were fed on a modern delicacy: oysters. How did this shellfish go from fast food to luxury?FutureHow to speak 'whale'In a world-first, scientists had a "conversation" with a whale. Now, researchers are trying to find out what they are actually saying.FutureThe turtle that sparked a plastics revolutionBloody and in pain, when a plastic straw became lodged in the nostril of a turtle, a video showing its removal shook the world – sparking a movement to rid the world of plastic strawsFutureThe giant structures where underwater life thrivesThese innovations are speeding up the recovery of bleached corals.FutureThe ocean drones tracking hurricanesHurricane Otis rapidly transformed from a tropical storm into a category five hurricane. Cutting-edge saildrones are helping to reveal how this process happens.FutureThe ocean grave for 264 spacecraftPoint Nemo has become the final resting place for hundreds of spacecraft. What will future archaeologists make of it?FutureHow bomb detectors decoded a whale songSince the 1990s, a network of sensors has listened for unauthorised nuclear detonations. It has had unanticipated upsides for science – such as identifying a pod of pygmy blue whales.FutureWatch footage from inside the eye of a hurricaneCutting-edge saildrones capture sea-level images and data from inside the eye of a hurricane. Ocean