Eye socket changes amped up bite force in T. rex and friends
WASHINGTON : Tyrannosaurus rex possessed awe-inspiring bite force, with the huge meat-eating dinosaur's bone-crunching chomp estimated to pack about 8,000 pounds (3,630 kg) of might - about equal to the weight of three small cars.This bite strength was aided in T. rex and other large predatory dinosaurs b
LinkedIn WASHINGTON : Tyrannosaurus rex possessed awe-inspiring bite force, with the huge meat-eating dinosaur's bone-crunching chomp estimated to pack about 8,000 pounds (3,630 kg) of might - about equal to the weight of three small cars.wildfire first erupted a month ago in July - the driest month seen in France since 1961 - destroying 14,000 hectares and forcing thousands of people to evacuate before it was contained.Letter from CPF is legitimate and not a scam This is also supported by findings from the CPF Board's annual report released last month, which showed that CPF members' balances hit a new high as at the end of last year, exceeding half a trillion dollars.LinkedIn Bumble cut its full-year revenue forecast on Wednesday, taking a hit from the war in Ukraine while also grappling with stiff competition from rivals such as Match Group in the online dating market.
This bite strength was aided in T.rex and other large predatory dinosaurs by an intriguing evolutionary modification in the skull, with the eye socket - called the orbital bone - becoming elliptical or keyhole-shaped rather than circular, according to a study published on Thursday."We battled all night to stop the fire from spreading, notably to defend the village of Belin-Beliet," Lieutenant Colonel Arnaud Mendousse of the Gironde fire and rescue service told journalists in nearby Hostens.The study used computer simulations to show that a skull with a circular eye socket was more vulnerable to high stresses during biting, but the modified shapes seen in large meat-eating dinosaurs greatly reduced these stresses and facilitated strong bite forces without compromising skull integrity." He noted that more than 100,000 customers made contributions to their CPF accounts in 2021."High bite forces and loads during feeding need to be accommodated by the skull and lower jaw," said paleontologist Stephan Lautenschlager of the University of Birmingham in England, author of the research published in the journal Communications Biology https://www.Acrid smoke has spread across a huge swathe of the Atlantic coast and its beaches that draw huge crowds of tourists each summer, with the regional ARS health agency"strongly" urging people to wear protective face masks.nature.Match also posted a disappointing forecast earlier this month, hurt by a stronger dollar, a drop in paying subscribers for some apps and a slow recovery in certain markets.
com/articles/s42003-022-03706-0.France has been buffeted this summer by a record drought that has forced water-use restrictions nationwide, as well as a series of heatwaves that many experts say are being driven by climate change."This will enable customers to better track their retirement goals and hopefully be able to achieve the retirement lifestyle they desire," Mr Quek said."This can be achieved by having a stronger skull - more bone - or channeling the occurring stress and deformation in such a way that the loads are reduced.This is achieved by the non-circular orbits," Lautenschlager added.Also read:.Lautenschlager examined eye socket shape in 410 extinct species including 230 dinosaurs as well as some of their reptilian cousins such as the crocodile lineage and the flying reptiles called pterosaurs.The bank also uses artificial intelligence to provide customers with personalised financial planning, such as guiding them with virtual nudges so they can make informed decisions about savings, investments and liabilities, OCBC said in a media statement.Of particular interest was a group called theropods, bipedal creatures that included all of the meat-eating dinosaurs.9 million in the quarter ended June 30, Badoo and other apps saw a cumulative slide of about 25 per cent to 1.
It turned out that once a theropod species attained a skull length of about three feet (one meter) or more, the shape of its eye sockets had become elliptical or keyhole-shaped.This evolutionary change occurred independently in a variety of theropod groups globally over time, the study showed.These included tyrannosaurs including North America's T.rex and Asia's Tarbosaurus, carcharodontosaurs including South America's Giganotosaurus and Africa's Carcharodontosaurus, abelisaurs including South America's Carnotaurus, allosaurs including North America's Allosaurus, and spinosaurs including Africa's Spinosaurus and Europe's Baryonyx.Juveniles of these big meat-eaters had circular eye sockets, with the change in shape unfolding as the animal matured into adulthood.4 million.
The change was not present in smaller theropods such as North America's Coelophysis and Asia's Velociraptor or in the relatively few theropods that were herbivorous such as North America's Ornithomimus and Asia's Erlikosaurus.In fact, all plant-eating dinosaurs had circular eye sockets.The change was observed in some crocs that lived during the dinosaur age and exhibited tremendous bite strength.Dinosaurs first appeared roughly 230 million years ago during the Triassic Period, with the orbital modification taking a long time to manifest itself.An early example of this change was North America's Dilophosaurus, which lived roughly 190 million years ago during the Jurassic Period.
The orbital modification yielded narrower eye sockets.While this may have limited the space available for the eyeballs, it increased the space available for jaw muscles and added to skull robustness.In these species, only the upper part of the eye socket was occupied by the eyeball, leading to a relative reduction of eye size compared with skull size, Lautenschlager said.The study did not examine whether this may have affected the visual acuity of T.rex and other large theropods.
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