Now playing Next Next Series Scientists absorbed by deep-sea sponges By filtering sea water through their pores, deep-sea sponges recycle waste and produce valuable nutrients for other marine organisms. 28/08/2017
Now playing Next Next Series Takeaway: Filters of the ocean Are sponges the most mysterious organism on Earth? 28/08/2017
Now playing Next no comment Beached whale rescued in Brazil The juvenile humpback was beached for 24 hours in Buzios, Brazil 25/08/2017
Now playing Next Brazil Dozens dead in two ferry accidents in Brazil Local authorities said 21 others were rescued by the navy after the accident on an early morning short route from the island of Itaparica. 25/08/2017
Now playing Next world news Take a glimpse through the eyes of Pingelap's colour-blind islanders Candyfloss trees and bubblegum-coloured water: Photographer Sanne De Wilde offers a glimpse of what 'the island of the colour-blind' looks like to its inhabitants. 26/07/2017
Now playing Next USA Florida underwater festival aims to promote reef preservation Around 400 people gathered for the underwater 'concert' on the sea floor at the Looe Key Reef, where divers swayed to music played on waterproof speakers. 12/07/2017
Now playing Next world news Henderson Island: Pacific graveyard for plastic pollution At first sight the scenes could be mistaken for the aftermath of a teenagers’ beach party. 16/05/2017
Now playing Next Malta What Malta's Azure Window looks like now Weather conditions around the small Mediterranean archipelago of Malta have eased enough to allow divers to inspect the rock monument underwater. 14/03/2017
Now playing Next New Zealand Is Zealandia the eighth continent? A group of geologists say they've enough evidence to confirm the existence of a new continent. Writing in the journal of the Geological Society of America, the group named it "Zealandia." 18/02/2017
Now playing Next world news Beached whale had 30 plastic bags in its stomach Zoologists in Norway say a beached whale found off the country’s western coast earlier this week had more than 30 plastic bags inside its stomach. 04/02/2017
Now playing Next Cult Europe's first underwater museum opens in Lanzarote British artist Jason DeCaires Taylor has created what is the first underwater museum in Europe. 12/01/2017
Now playing Next United Kingdom Hold on a second… 2016 will be longer than you thought Many people have said that 2016 was the worst year yet, but bad news for those of you who agree: 2016 is going to be a whole second longer than 2015. 30/12/2016
Now playing Next world news Giant wave in European waters 'breaks world record' A huge 19-metre-high wave has made a splash among weather experts after it was claimed as the biggest ever recorded. 14/12/2016
Now playing Next USA New marine sanctuaries aim to protect oceans for future generations The US has joined more than 20 other countries in creating 40 new marine sanctuaries around the world. 15/09/2016
Now playing Next Next Series Scientists fear deep-sea mining Scientists fear that even before one of the last frontiers of exploration, the ocean deep, has been properly studied it will already have been exploited by commercial deep-sea mining looking for rare 05/09/2016
Now playing Next Next Series Takeaway: sea mining Deep ocean floor has never been mined for resources That is about to change Mining companies may launch deep-sea mining by 2018 Environmental consequences remain unknown Researchers are rushing to fil 05/09/2016
Now playing Next China China claims world's biggest marine sinkhole Beijing has discovered the world’s largest hole in a disputed area of the South China Sea, state broadcaster CCTV has announced. 28/07/2016
Now playing Next Sci-tech Ocean health check-up: The Nekton Mission assesses the damage done About 10 miles off the coast of Bermuda, scientists are analysing the health of the Atlantic ocean where human activities like overfishing and oil spills, are having terrible… 27/07/2016
Now playing Next Sci-tech Plastic fantastic: Dutch company trials method of cleaning the oceans About eight million tons of plastic enters the oceans every year. 29/06/2016