CNN Piers Morgan Live August 3, 2013 01:07:00
Magnetic radiations and movements in the water, and they can pick out blood from a considerable distance but it depends on which species. we have sharks like this species right here. this is eating clams and oysters and creatures of that nature. >> kind of the movie scenes, where there is a load of blood in the water and you see the sharks descending on them. is that in reality how it works? >> you can get a frenzy. you can get a feeding frenzy and there are accounts of people that are ship wrecked from world war ii and war vessels were sunk, people were prayed on sharks. so, yes, in some situ...