Why You Don't See Great White Sharks At Aquariums

It's almost here! Shark Week begins this Sunday (7/23) and you may have already set your DVR to record everything Discovery will be airing. The show I'm most eagerly awaiting is Phelps vs. Shark: The Battle for Ocean Supremacy, in which Olympic swimming champion Michael Phelps takes on a fast and ferocious great white shark.…