Profile on Edith Widder, bioluminescence expert that took enormous steps in understanding animals behaviour in the deep sea. Subscribe to BBC Earth Explore for more amazing animal videos - http://bit.ly/SubscribeToEarthUnplugged Watch more videos from BBC Earth Explore: Stunning Animal Slow Motion Time-lapses: http://bit.ly/EarthUnpluggedSlowMotionTimelapse Expedition and Location Films: http://bit.ly/EarthUnpluggedExpeditionsAndLocationFilms Big Questions with Maddie Moate: http://bit.ly/BigQuestionsWithMaddieMoate Wilderness Sessions: http://bit.ly/WildernessSessionsFilms #OurBluePlanet is a digital project between BBC Earth and Ocean X Media. Join the conversation over on Twitter @OurBluePlanet. This film was produced by Ocean X Media. A team of scientists, explorers and filmmakers driven to discover what lies beneath the waves and to document untold ocean stories. You can find out more here: http://www.oceanx.org Production Crew Director: Mark Dalio Director of Photography (AP): Ivan Agerton Director of Photography (BBC): Hugh Miller 2nd Camera: James DuBourdieu Production Manager: Samantha Loshiavo Associate Producer: Marjorie Crowley Editor/Colorist: Ryan Quinn Re-Recording Mixer (Sound Lounge): Craig LoGiudice Assistant Editor: Jorge Alvarez Post Production Supervisor: Brian Golding Executive Producer: Jennifer Hile About BBC Earth Explore: We're BBC Earth Explore and we make videos about the incredible natural world and the animals that live here. From animal behaviour in slow motion to educational videos, expedition films and more! Want to share your views with the team behind BBC Earth and win prizes? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register This is a channel from BBC Studios, trading as BBC Studios, who help fund new BBC programmes. Service information and feedback: https://www.bbcworldwide.com/ContactWizard