THIS IS UPLIFTING, I PROMISE. And it might just make you switch careers. As a bookend to last week's Oceanology episode, Conservation Technologist Shah Selbe chats about saving the planet with some well-intentioned technology. Wind turbines, solar cars, and all the ways in which sensors, drones, recycled smartphones and real-time data reporting can help conserve species, spaces and communities that are threatened. Hear inspiring tales of travel, art, adventure and putting engineering to good use from a former rocket-science turned professional do-gooder. Also discussed: crocodile astrology, fishing vests and hippo power displays.