Trail UK August 2020

Edith Widder grew up wanting to become a marine biologist. But after complications from surgery caused her to go temporarily blind while at university, she became fascinated by light, and her focus turned to bioluminescence. On her first visit to the deep ocean, in an experimental diving suit that took her to a depth of 250 metres, she turned off the suitʼs lights and witnessed breathtaking explosions of bioluminescent activity. Why was there so much light down there?