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Search resuls for: "megalodons"


5 mentions found


☆ Megalodons were skinnier than we previously thought, new study suggests
  + stars: | 2024-01-22 | by ( Jack Guy | ) edition.cnn.com   time to read: +5 min
CNN —Megalodons, the huge prehistoric sharks depicted in movies such as “The Meg,” had more slender bodies than was previously thought, according to a new study. Many mysteries remain about the biology of megalodons, but until now, great white sharks had been used to model their appearance. The dark grey silhouette depicts the previously reconstructed body form, based on the great white shark. Kenshu Shimada/DePaul UniversityThis new research is based on the reappraisal of an incomplete set of fossil vertebrae found in Belgium. The research suggests that “the modern great white shark may not necessarily serve as a good modern analog for assessing at least certain aspects” of megalodon biology, said Shimada.
Persons: CNN — Megalodons, Meg, ”, Kenshu Shimada, Phillip Sternes, megalodons, megalodon, Shimada, ” Shimada, “ Organizations: CNN, DePaul University in, University of California, DePaul University Locations: DePaul University in Chicago, Riverside, Belgium
☆ Scientists find new clue in what led to megalodon’s demise
  + stars: | 2023-07-03 | by ( Amaya Mcdonald | ) edition.cnn.com   time to read: +4 min
Scientists previously theorized that megalodons were warm-blooded, but the new study is the first to provide concrete evidence to that effect. From this finding, they deduced the megalodon’s average body temperature was about 27 C (80 F). Like modern great white and mako sharks, megalodons were regionally endothermic, which means they had the ability to regulate temperature in certain parts of the body, according to the study. The timing of megalodons’ extinction coincides with the cooling of the Earth’s temperature, the researchers said. But learning more about the ancient shark could still help scientists better understand the threats similar marine animals face today.
Persons: CNN —, it’s, “, megalodon, Robert Eagle, Kenshu Shimada, ” Shimada, Megalodon, Michael Griffiths, ” Griffiths Organizations: CNN, National Academy of Sciences, UCLA, Eagle, DePaul University in, William Paterson University Locations: megalodon, DePaul University in Chicago, “, Megalodon, New Jersey
☆ A man found a giant megalodon tooth that experts say belonged to a shark the size of a semi-truck
  + stars: | 2023-06-24 | by ( Rupendra Brahambhatt | ) www.businessinsider.com   time to read: +5 min
A charter boat captain found a whopping 6.25-inch long megalodon shark tooth in Florida. That's why today, the Sarasota County coastline in Venice, Florida, is known as the shark tooth capital of the world. Recently, a charter boat captain discovered one of the largest fossilized shark teeth ever from a megalodon shark. One of the largest megalodon teeth ever discoveredMichael Nastasio, who has been hunting shark teeth in Florida for 12 years, discovered a fully-intact megalodon shark tooth that was 6.25 inches (15.87 cm) long — only about an inch smaller than the largest megalodon tooth on record. Megalodon teeth are similar to great white shark teeth, and it's thought the two species may have been close relatives.
Persons: —, Michael Nastasio, Kristen Grace, Nastasio, Jack Cooper, it's, Victor Habbick, Victor Perez, Cooper, Emma Bernard, wouldn't, he's, WTSP Organizations: Service, Swansea University, Environmental Studies, St, Mary's College of Maryland Locations: Florida, Sarasota, Venice , Florida, London
☆ Scan finds megalodon tooth necklace in Titanic wreck
  + stars: | 2023-05-31 | by ( Jack Guy | ) edition.cnn.com   time to read: +2 min
CNN —A necklace carrying the tooth of a prehistoric shark known as a megalodon has been discovered in the wreckage of the Titanic during a digital scan of the sunken ship. For more than 100 years, the necklace has sat at the bottom of the ocean following the sinking of the Titanic in 1912, according to Magellan, a deep water investigation company that carried out the scan. Images from the scan show a gold necklace with a tooth of a megalodon, scientifically known as Otodus megalodon, a prehistoric shark that lived more than 23 million years ago. The necklace was discovered by Magellan during a project to produce a full-size digital scan of the Titanic, which the company says is the largest underwater scanning project in history. The megalodon tooth necklace is pictured in the center of this image.
Persons: Richard Parkinson, Magellan, ” Parkinson, “, ” Organizations: CNN, ITV, Atlantic Productions, ” Locations: Magellan, there’s, Canada
☆ 9 things about sharks you saw in movies that are actually wrong, according to an expert
  + stars: | 2023-01-12 | by ( Marianne Guenot | Margaret Guzman | ) www.businessinsider.com   time to read: +10 min
Here are facts that "Jaws," "Finding Nemo," and "The Meg" got wrong — and one that's right. NOAA fisheriesIt's those scales that make the shark nose the wrong target for a sucker punch. When Dory hits her nose, her blood goes straight into the shark's nose. So "Finding Nemo" hit the nail on the head when they showed blood actually going into the shark's nose, she said. Gerard Soury/Getty ImagesSharks in "Finding Nemo" might want to fight their urges to eat fish, but it's not in their nature.
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