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T. Rex walked slower than previously thought: study

Updated:
April 22, 2021 13:24 IST
The dinosaur s preferred speed was 4.61 kms an hour, close to the walking pace of humans and horses
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Visitors look at a 67 million year-old skeleton of a Tyrannosaurus rex dinosaur named Trix during the first day of the exhibition A T-Rex in Paris at the French National Museum of Natural History in Paris, France, June 6, 2018. | Photo Credit:
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The dinosaur s preferred speed was 4.61 kms an hour, close to the walking pace of humans and horses
(Subscribe to Science For All, our weekly newsletter, where we aim to take the jargon out of science and put the fun in. Click here.) ....

Pasha Van Bijlert , Van Bijlert , Rick Stikkelorum Arthur Ulmann , Knoek Van Soest Anneschulp , Pasha Van Bijlert Pashavanbijlert , Royal Open Society Science , Science For All , Dutch Naturalis , Rick Stikkelorum , Arthur Ulmann , T Rex , Dino Walk , Tyrannosaurus Rex , அறிவியல் க்கு அனைத்தும் , டி ரெக்ஸ் , டினோ நட , டைரநஸரஸ் ரெக்ஸ் ,

What Made Our Species Unique: Walking

What Made Our Species Unique: Walking
The Laetoli footprints discovered in northern Tanzania offer some 3.66-million-year-old evidence of our walking ancestors.Credit.Images of Africa Photobank/Alamy Stock Photo
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By Rebecca Wragg Sykes
FIRST STEPS
By Jeremy DeSilva
Walking: We marvel when other animals get up on their hind legs and do it, applaud our children when they master it, but most of the time blithely ignore how remarkable a feat it really is. Yet moving bipedally (on two legs) has proved fiendishly tricky to explain from an evolutionary perspective. Enter “First Steps,” by the paleoanthropologist Jeremy DeSilva, a book that strides confidently across this complex terrain, laying out what we know about how walking works, who started doing it and when. ....

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Mass fossil site may prove tyrannosaurs lived and hunted in packs like wolves

Mass fossil site may prove tyrannosaurs lived and hunted in packs like wolves
New Utah site, third mass grave found, bolsters theory ferocious dinosaurs may not have been solitary predators
Tyrannosaur dinosaurs may not have been solitary predators as long envisioned
Ferocious tyrannosaur dinosaurs may not have been solitary predators as long envisioned, but more like social carnivores such as wolves, new research unveiled Monday found.
Paleontologists developed the theory while studying a mass tyrannosaur death site found seven years ago in the Grand Staircase-Escalante National Monument in southern Utah, one of two monuments that the Biden administration is considering restoring to their full size after former President Donald Trump shrunk them. ....

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A whopping 2.5 billion fully grown T. rexes walked the Earth in the course of the species' existence, paleontologists found

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A whopping 2.5 billion fully grown T. rexes walked the Earth in the course of the species existence, paleontologists found
A whopping 2.5 billion fully grown T. rexes walked the Earth in the course of the species existence, paleontologists found
Aylin WoodwardApr 16, 2021, 00:32 IST
A T. rex depicted in the 1993 film Jurassic Park. Universal Pictures
A new study suggests that a total of 2.5 billion adult T. rexes lived and died during that period.
Paleontologists arrived at the figure by calculating the T. rex life span and population density.
An adult
According to new calculations from paleontologists the University of California, Berkeley, each adult ....

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How the Largest Pterosaurs Supported Giraffe-Like Necks

How the Largest Animals That Could Ever Fly Supported Giraffe-Like Necks
These pterosaurs had wingspans as long as 33 feet, and scans of fossilized remains reveal a surprise in their anatomy.
Video
An end-to-end CT scan of a fossilized pterosaur vertebra reveals the spoke-like structures inside. Video by Williams et al.Credit
By Becky Ferreira
April 14, 2021Updated 12:33 p.m. ET
If you were to gaze skyward in the late Cretaceous, you might catch a glimpse of surreal flying giants with wingspans that rival small planes. This supersized group of pterosaurs, known as azhdarchids, included species that measured 33 feet between wingtips, which made them the largest animals that ever took to the air. ....

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