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Greenland shark may become new source of biofuel

The Greenland shark, one of the largest species of sharks, is a nuisance to fishermen and its meat is toxic to humans, but researchers now hope the flesh can be used to create a biofuel for Inuits.

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Great white sharks tagged for first time off Mass.

(AP) -- Massachusetts officials are using high-tech tags to track the movements of two great white sharks near Cape Cod - the first time the fearsome fish have ever been tagged in the Atlantic Ocean.

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3 more great white sharks tagged off Mass. coast

(AP) -- A total of five great white sharks have now been electronically tagged off Cape Cod, allowing experts to track their movements and learn more about their migratory habits.

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A misplaced dinosaur tooth may have been cannibalism

(PhysOrg.com) -- You don't have to be a paleontologist to suppose that way back when dinosaurs roamed the Earth chances were good meat eaters would dined on one of their own. Short of a time-machine...

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Plesiosaur a victim of shark attack

(PhysOrg.com) -- An 85 million-year-old plesiosaur fossil has been found with over 80 shark's teeth, suggesting the animal was the victim of sharks in a feeding frenzy. The find is perhaps the most...

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Leviathans battle in remote depths: Great white sharks may migrate so they...

In what could be the ultimate marine smack-down, great white sharks off the California coast may be migrating 1,600 miles west to do battle with creatures that rival their star power: giant squids.

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One-third of world's sharks, skates and rays face extinction

They call it the "Jaws" effect. Inspired by the 1975 movie about a great white shark that terrorized a tourist town, legions of fishermen piled into boats and killed thousands of the ocean predators in...

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Teenage great white sharks are awkward biters

The jaws of adolescent great white sharks may be too weak to capture and kill large marine mammals, according to a new study published in the Journal of Biomechanics by an international team of...

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The shark, a predator turned prey

Sharks may strike terror among swimmers at the beach but the predators are increasingly ending up as prey, served up in fish-and-chips shops, sparking concern among environmentalists.

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New study illustrates the physics behind great white shark attacks on seals

A new study examining the complex and dynamic interactions between white sharks and Cape fur seals in False Bay, South Africa, offers new insights on the physical conditions and biological factors...

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Great white work: Scientists renew the study of shark teeth

(Phys.org) -- The lasting legacy of the great white shark is sharp, strong and pointy: its teeth.

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Shark rules need teeth, groups tell IUCN

The Wildlife Conservation Society and over 35 government agency and NGO partners participating in IUCN's World Conservation Congress this week are urging the world's governments to take urgent steps to...

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Australia shark attacks spark kill orders

Sharks that stray too close to beaches on Australia's west coast will be caught and killed under a new government plan in response to an unprecedented spate of fatalities.

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New ancient shark species gives insight into origin of great white

(Phys.org)—The great white shark is one of the largest living predatory animals and a magnet for media sensationalism, yet its evolutionary history is as misunderstood as its role as a menace.

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Shark being tracked by GPS off coast of Carolinas captivates online fans

If not for the GPS device, no one would know she's here. A great white shark affectionately dubbed Mary Lee by scientists and adopted by thousands of online fans has been using the waters off North...

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Piranha tops T Rex in the bite league, study finds

Outsized jaw muscles allow the black piranha to exert bite force equivalent to 30 times its bodyweight, a feat unmatched in the natural world, according to results of a finger-risking study published...

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Great white shark hanging out near NC coast again

A 16-foot great white shark named Mary Lee is among those who like calling North Carolina home.

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New study shows small cookiecutter shark feeds on flesh of great white

(Phys.org)—Researchers have discovered the great white shark, one of the most feared ocean predators, can occasionally become prey for the mysterious cookiecutter shark, a lone predator one-tenth its...

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Great white shark moves back to northeast

The great white shark known as Mary Lee is headed north again after spending a number of weeks this winter along the Southeast coast.

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Calif. great white sharks get protections for now

The most feared predator in the ocean received new protections today when a California commission decided the great white shark should be studied as a potential endangered species.

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