A Greenland shark swimming through the North Atlantic today may have been alive before the modern world existed. Researchers have confirmed that some of these sharks were born in the 1600s, making ...
The Greenland shark has been around for hundreds of years, predating historical events and leaving scientists drop-jawed.
Weighing up to several tons, whale sharks are also notable for their markings. Each pattern of spots is unique and scientists identify individual fish using computer programs first developed to study ...
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