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Scientists Discovered a Tiny, Ancient Shark Fossil Deep Inside the World's Longest Cave System
Scientists have discovered a previously unknown, extinct species of shark, dubbed Macadens olsoni, inside the cavernous expanses of Kentucky's Mammoth Cave National Park. The name honors both Mammoth ...
Discovery Channel’s “Shark Week” begins Sunday for the 37th year. And Steven Spielberg’s movie “Jaws” celebrated its 50th anniversary in June. Despite the fanfare and some highly publicized reports of ...
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