Goodbye shark cage, hello shark tube! Shark expert Chris Fallows tests whether magnetic shark repellent is truly effective on great whites from within a specially designed plastic shark tube in this clip from "Great White Invasion."
From out of the murky depths, an Atlantic great white shark emerges to feed. This clip from "Jaws Come Home," part of the Shark Week 2011 lineup, is the first time a great white has been filmed underwater in the Atlantic in 30 years.
Are you safe from sharks in shallow water? Not necessarily. The best way to avoid an attack near shore is to stay away from beaches where sharks are frequently spotted.