Greenland sharks look like they shouldn’t be able to see much of anything. They live in near-total darkness, drift through freezing water, and usually have parasites attached directly to their eyes. For years, that combination led scientists to assume vision wasn’t exactly tip-top. A new study suggests the opposite. These sharks can see, and they […] The post Could 400-Year-Old Sharks Hold the Secret to Eye Health for Humans? appeared first on VICE .