Why sharks generate more money alive than dead

Sharks that are free to swim around in their natural habitats are a valuable part of tourism around the world, a new study finds, which suggests sharks are worth more in the world's oceans than they are on restaurant menus.The new research provides evidence of the value of conservation against the rampant killing of sharks for food, said study lead author Andrés Cisneros-Montemayor, a Ph.D. ca...