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700 Sharks
Envision diving into the sea just to discover that you are surrounded by one of the biggest shark frenzies on earth. Well, that is precisely what these scientists did in the name of science. In Polynesia, the largest school of sharks-- about 700-- patrols the waters en masse. Adhere to a worldwide team of researchers as they study these splendid animals at night, when they are most hostile, to find their strange hunting strategies and social practices. The outcome: amazing brand-new practices never seen prior to, or caught on video camera.