World's Most Dangerous Shark
The Great White has a scary reputation, but Explorer Jacques Cousteau called the Oceanic White Tip “The most dangerous of all sharks…" Was he right?
Sharkcano: Hawaii
To find out why sharks are drawn to Hawaii’s volcanoes, biologists Dr. Mike Heithaus and Dr. Frances Farabaugh free dive with one of the most dangerous sharks: the tiger shark.
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Kevin Bachar