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Carcharocles megalodon was once the most fearsome predator to reign the seas. This...
Citizens of the High Seas
In a world where land is partitioned into countries with defined borders, the ocean...
Healthy Coral Polyps
Healthy coral is colorful. The entire coral is actually a colony of many little...
The megalodon is the largest shark to have ever lived in the world’s ocean. Like...
Sizing it Up
The Smithsonian Environmental Research Center is studying the movements of sharks...
Tagging a Shark
Scientist Charles Bangley of the Smithsonian's Environmental Research Center...