Shark researchers haul in a great white shark. For the past three years, a research team led by Wildlife Conservation Society shark specialist Ramsn Bonfil has been fitting motion-tracking satellite tags onto great white sharks off the coast of South Africa.

"When we did the first shark, we were very nervous, because we thought it would be thrashing and trying to bite everybody," Bonfil said. "But amazingly, when we took it out of the water, it was quiet and calm."

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