Surfer, inventor, amputee: Dargent preps for championships

After losing his left leg in a shark attack in 2011, avid surfer Eric Dargent wasted little time rueing his misfortune. He teamed up with snowboarding amputee Patrice Barattero to invent a prosthetic knee specially adapted to their sports, with the help of a vocational high school and an orthopaedic specialist.