Deep water camera captures unusual-looking jellyfish

Ocean researchers film two luminous jellyfish swimming in the dark waters around the Marianas Trench in southeat Asia at a depth of 3,700 metres. Video: Reuters

Associated article


How to spot bowel cancer symptoms

In the last 30 years in Ireland, the number of bowel cancer cases under-50 has doubled, according to Bowel Cancer Ireland. Video: Rebecca Daly / Zara Morgan


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