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----------------------------------------------- */ } } } Shark skeletons are made of cartilage rather than bone, a material that’s much more pliant and easily deformed. .tabs-inner .widget li a { padding: 22px 30px;

They frequently ram their prey (see the video below), driving their jaws towards them at high speed. } Thanks to Hollywood, the jaws of the great white shark may be the most famous in the animal kingdom. margin: 0; @media (max-width: 200px) { body {background-image:url(\/\/2.bp.blogspot.com\/-m16ZoBqw5Yo\/VDxih9awolI\/AAAAAAAAE70\/IHxyOREJD2c\/w200\/Untitled-1.jpg);}} ----------------------------------------------- */ ----------------------------------------------- */ position: absolute; }

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But the largest individuals can exert a … .avatar-image-container { } "To give some perspective, the bull shark has a bite force of 6,000 newtons, the white shark has 10,000 newtons bite force.

Neither its bite force, nor how such force might be delivered using relatively elastic cartilaginous jaws, have been quantified or described.

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The bite force of a great white shark is estimated to exceed 18,000 newtons. Their overgrown canines were not swords or grappling hooks, but daggers – precision weapons evolved to deliver massive injuries with a single bite. } .post-body img, .post-body .tr-caption-container, .Profile img, .Image img, background-position: 0 1.5em; body#layout div.add_widget { .mobile .date-header span { border: 1px solid #111111; 1933: 1st Full-Length Animated Film Premieres, Martian Carbonates Suggest Past Life on Mars, New Region of Earth's Magnetosphere Discovered, The Seed of Life Floats Between The Stars.

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---------------------------------------------- */ © 1996-2015 National Geographic Society, © 2015- .main-outer { } left: 0; font: normal normal 60px Arial, Tahoma, Helvetica, FreeSans, sans-serif; A single chomp could exert up to 18 tonnes of force; even the mighty Tyrannosaurus rex could only muster 3 tonnes of force. border-top: none; } .mobile .body-fauxcolumn-outer .cap-top { text-decoration:underline; /* Mobile }

And according to Wroe’s research, it had the most powerful bite of any animal. .tabs-inner .widget li:first-child a {

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} Megalodon (aka the megatooth shark aka Carcharadon megalodon), was a monster that may have grown to 16 metres in length and had a maximum weight of anywhere from 50 to 100 tonnes. _background-image: none; border-top: none;

.tabs-inner .section:first-child { Instead, his team scanned the skull of a great white to create a virtual model that they could analyse in safer conditions.

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Scientists warn of human-to-wildlife COVID-19 transmission risk, Earth grows large crystals, rare elements in just minutes, U.S. space mining policies may trigger regulatory 'race to the bottom,' scientists warn, Stay-at-home orders cut noise exposure almost in half, First U.S. robotic moon lander since Apollo era planned for mid-2021, President Donald Trump hospitalized for COVID-19. } The research is to appear in the Journal of Zoology. width: 100%; .post-body .tr-caption-container { Led by paleontologist and biomechanist Steve Wroe, the scientists used computer modeling to study the skull of an 8-foot-long male great white shark. border-top: 1px solid #404040; background-color: #dd7700; color: #cccccc; } /* Headings

} border-top: 1px solid #404040; But despite its presence in film posters, the great white’s toothy mouth has received very little experimental attention. right: 100%;

} 麗 Bite into #SharkWeek tonight at 8p on Discovery. .comments .comment-thread.inline-thread { border:5px solid #fbfe03;

padding: 0.1em 10px; And once bitten, the victim is shaken from side to side. .Header .description { Even with this disadvantage, the great white and its extinct cousin had no problems in biting hard.

Shark teeth are uniquely designed to target specific prey Shark bite force has grabbed the attention of humans since Jaws was released Tags: bite force Great white sharks

It truly was “one of the most powerful predators in history”. background-color: #303030;

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.mobile .tabs-inner .section:first-child { right: 300px; ABSTRACT: The notorious jaws of the white shark Carcharodon carcharias are widely feared, yet poorly understood. Wroe only modelled what would happen if the sharks raise their lower jaw, whereas an actual bite consists of lots of different movements – for example, a great white’s upper jaw pushes forward when it chomps and its head presses downward. ----------------------------------------------- Copyright © 2020 United Press International, Inc. All Rights Reserved. min-width: 1100px; } Wroe and colleagues estimate the bite force of the megalodon at between 10.8 and 18.2 tons, at least 30 times that of the largest living great whites. border-left: 1px solid #ff8900; .fauxcolumn-right-outer .fauxcolumn-inner { } } background-size: auto;

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background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAASCAYAAABWzo5XAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEgAACxIB0t1+/AAAAAd0SU1FB9sLFwMeCjjhcOMAAAD+SURBVDjLtZSvTgNBEIe/WRRnm3U8RC1neQdsm1zSBIU9VVF1FkUguQQsD9ITmD7ECZIJSE4OZo9stoVjC/zc7ky+zH9hXwVwDpTAWWLrgS3QAe8AZgaAJI5zYAmc8r0G4AHYHQKVwII8PZrZFsBFkeRCABYiMh9BRUhnSkPTNCtVXYXURi1FpBDgArj8QU1eVXUzfnjv7yP7kwu1mYrkWlU33vs1QNu2qU8pwN0UpKoqokjWwCztrMuBhEhmh8bD5UDqur75asbcX0BGUB9/HAMB+r32hznJgXy2v0sGLBcyAJ1EK3LFcbo1s91JeLwAbwGYu7TP/3ZGfnXYPgAVNngtqatUNgAAAABJRU5ErkJggg==); A biologist is analyzing the "bite force" and feeding mechanics of great white sharks. margin: 0 0 1.5em;

z-index: 1; color: #999999; border-bottom: 1px solid #444444; Nor do great whites bite in an elegant, genteel way.

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Blogger Template Style border: none; If anything, these figures are underestimates. box-shadow: 0 0 40px rgba(0, 0, 0, .15); _background-image: none; .mobile .main-inner, .mobile .footer-inner { .main-inner {

} .widget .zippy { .main-inner .fauxcolumn-left-outer { } They used a technique called “finite element analysis”, that engineers commonly employ to test the mechanical properties of man-made objects; it’s used, for example, to see how cars crumple during crash-tests. .post-body img, .post-body .tr-caption-container {

background-repeat: no-repeat; width: 100%; } Wroe’s group have taken this technique away from the world of metal and plastics and applied it to the behaviour of bone and cartilage. But as powerful as great white sharks are, they pale when compared with the extinct great white shark Carcharodon megalodon -- which lived approximately 18 million years ago and might have grown to about 60 feet in length and weighed up to 100 tons -- arguably the most formidable carnivore to have ever existed on Earth, the researchers said. .mobile .body-fauxcolumn-outer { Three-dimensional computer analysis of white shark jaw mechanics: how hard can a great white bite? /* Posts .mobile .tabs-inner .widget ul { margin: 0; margin-top: -1px;

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Several bones from fossil whales are studded with tooth marks that match the giant gnashers of megalodon. color: #dd7700;

font-size: 90%; } padding-left: 0; .header-inner .Header .titlewrapper { .BlogList .item-thumbnail img { ----------------------------------------------- */ border-left: 0 solid #404040; background: #111111; } But the largest individuals can exert a massive 1.8 tonnes with their jaws, giving them one of the most powerful bites of any living animal.

margin-left: 0; The models are incredibly realistic; they account for the different materials that make up the skull, the points that muscles connect with bone and the ways that the bones themselves fit together. width: auto; text-decoration:none; ----------------------------------------------- */ Name: Simple } .post img { } } .content-outer { -->

background: transparent none no-repeat scroll top center; border-left: none; } } They have built an impressive portfolio of research around the use of finite element analysis to examine the skulls of some of the planet’s most awesome predators, and the great white is the latest addition to their list. } padding: .6em 1em; } } .tabs-inner .widget ul { margin: 0 0 1em 0;

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