Associate Professor of Optometry and Vision Science, University of Plymouth If you’ve ever swam underwater with your eyes open, you have noticed that your eyes sting a bit afterwards. Unlike many ...

Anthony Blazevich does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Known to some as the “Freshwater Everest,” if you want to explore this mountain, you don’t go up, you go down. In the middle of Lake Superior, near the boundary between Canadian and US waters, sits ...