Ernest Shackleton and his crew survived in one of the harshest environments on the planet—all while learning to rely on wildlife they’d never seen before. #EnduranceFilm is now streaming on Disney and Hulu. | National Geographic History

445K views · 4.5K reactions | Sharks have been cast as the ultimate villain ever since the movie “Jaws” was released 50 years ago this summer. The film tells the story of a great white shark terrorizing beachgoers, but in reality, humans pose the greater threat to sharks. Endurance swimmer Lewis Pugh is swimming around Martha’s Vineyard, where “Jaws” was filmed, to get that message out. PBS News’ Ali Rogin spoke with Pugh for more. | PBS NewsHour | Facebook