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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.
Sharkcano: Hawaii
A look at the making of the classic comedy film.
Inside Story: National Lampoon's Vacation
Dr. Mike Heithaus and his team offer new research that may solve why sharks attack dolphins far more than we ever knew.
Sharks Vs. Dolphins: Face Off
Shark biologist Marcus Drymon unravels the mystery of the songbird-eating shark.
Blitzkrieg Sharks
From headline-making discoveries to intimate human portraits: Best of 125 Years features unforgettable stories and explorations that not only captured our imaginations, but that still inspire us today.
Exploring New Frontiers: National Geographic at 125