The Denmark Strait cataract is a submarine waterfall in the ocean channel between Iceland and Greenland. It is technically the world's largest waterfall, with waters plunging 11,500 feet (3,500 ...

It’s normal to have anxiety about cataract surgery—and even postpone scheduling the procedure out of fear. But it shouldn’t be that way. Dr. Jeff Dello Russo, an ophthalmologist at Dello ...

The water that flows past the Denmark Strait cataract is about 1,300 feet deep. However, as that water passes the cataract, only about 660 feet of that initial 1,300 falls towards the sea floor. The ...

A cataract is the clouding of the natural lens inside the eye. Traditional cataract surgery was performed through an incision around 12 mm or 0.5 inch wide. Before surgical microscopes and fine ...