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David Shiffman, Ph.D.

Dr. David Shiffman is a marine conservation biologist who studies threatened sharks and how to protect them.

Sharknado and Sharktopus and Megalodon, Oh My!

Why are bad shark movies such as Sharknado and Sharktopus so popular? Shark expert David Shiffman explains why and how it effects the public's understanding of sharks and conservation.

Shark Tagging: Myths, Misconceptions and Nonsense

Though some divers believe otherwise, shark telemetry tagging is a minimally invasive, commonly accepted research method that advances science and conservation without harming sharks.

Amazing Shark Facts You Haven’t Heard a Million Times

A science expert lists his favorite amazing shark facts, including facts about Greenland sharks, bull sharks and more.

Sunscreen, Straws and Subtlety: The Dangers of Oversimplifying a Complex Environmental Problem

Why plastic-straw bans and sunscreen bans may not be the best solutions for the environment.