Great white sharks may be the reason why the megalodon is extinct
Mako Shark attacks research submersible in Rhode Island waters (video) - Rhode Island news
Scientists at work: Uncovering the mystery of when and where sharks give birth
What is a shark? - The Australian Museum
Sharks - New England Aquarium
The secret lives of baby sharks
Sharks 101: Dispelling myths around the ocean's most feared fish
11 Close Encounters of the Shark Kind
Maine is home to 8 types of sharks, from sand tigers to great whites
Shark Fact Sheet, Blog, Nature
Lemon shark - Save Our Seas Foundation
The Misunderstood Shark - WSJ
Up Close With a Grander Mako Shark