The latest episode of the PBS digital short series “It’s Okay To Be Smart” focuses on the important that sharks play in the environment and ponders the question of what would happen if there were no more sharks. During the video a counter representing an estimated number of sharks killed runs to give the viewer an idea of the rate at which sharks are being killed off. For a relatively quick watch, the video does a decent job at summarizing the value that sharks have in the world.
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