We've got a joint account http://www.rudolph-valentino.com/cover-letter-service-uk/ research proposal  During the expedition, which runs from July 30 to Aug. 29, the scientists will take blood and tissue samples from each of the sharks they catch to learn more about the animals' health and diet. The GPS tags will allow scientists to see where the sharks are going, as well as the temperature of the water and the depths of their dives, Thorrold said.