#GreenlandSharks maintain vision for centuries through DNA repair mechanism https://phys.org/news/2026-01-eye-greenland-sharks-vision-centuries.html Paper by Lily Fogg et al.: https://www.nature.com/articles/s41467-025-67429-6

"Scientists have long suspected the large species to be functionally blind, given the frequent presence of the parasite and its exceptionally dim environment... the new findings suggest that a DNA repair mechanism enables these #sharks—some of which live for 400 years—to maintain their vision over centuries with no signs of degeneration"