Dinosaur

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Giant dinosaur slims down… a bit (BBC)
Titanosaur (Wikipedia)

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General

Portal

Dinosaurs Science Tracer Bullet (Library of Congress)
Dinosaurs Portal (Wikipedia)

Dictionary

Dinosaur : any of a group (Dinosauria) of extinct often very large chiefly terrestrial carnivorous or herbivorous reptiles of the Mesozoic era — Webster

OneLook, Free Dictionary, Wiktionary, Urban Dictionary

Encyclopedia

Dinosaurare a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201 million years ago; their dominance continued through the Jurassic and Cretaceous periods. Reverse genetic engineering and the fossil record both demonstrate that birds are modern feathered dinosaurs, having evolved from earlier theropods during the late Jurassic Period. As such, birds were the only dinosaur lineage to survive the Cretaceous–Paleogene extinction event 66 million years ago. Dinosaurs can therefore be divided into avian dinosaurs, or birds; and non-avian dinosaurs, which are all dinosaurs other than birds. — Wikipedia

Encyclopædia Britannica

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Dinosaurs (Wolfram Alpha)

Science

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Dreadnoughtus (Kenneth Lacovara)
Dreadnoughtus (Wikipedia)

Preservation


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Mary Anning, An Amazing Fossil Hunter (Smithsonian Magazine)

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Dinosaurs (Natural History Museum in London)


The World of Dinosaurs (Museum für Naturkunde in Berlin)
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Dino Tour (American Museum of National History)
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Dinosaurs (Smithsonian National Museum of Natural History)

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Fictional Dinosaurs (List, Wikipedia)
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Dinosaurs News -- ScienceDaily All about dinosaurs. Read about dinosaur discoveries including gigantic meat-eating dinosaurs, earliest dinosaurs and more. Dinosaur pictures and articles.

  • Newly discovered rare dinosaur embryos show...
    on August 27, 2020 at 4:21 pm

    An incredibly rare dinosaur embryo discovered perfectly preserved inside its egg has shown scientists new details of the development and appearance of sauropods which lived 80 million years ago.

  • First complete dinosaur skeleton ever found is...
    on August 27, 2020 at 2:18 pm

    The first complete dinosaur skeleton ever identified has finally been studied in detail and found its place in the dinosaur family tree, completing a project that began more than a century and a half ago.

  • Using math to examine the sex differences in...
    on August 27, 2020 at 12:07 am

    When you only have fossils to go off of, it's hard to tell which dinosaur traits, like size and ornamentation, are related to the animals' sex, and which traits are related to other things like age. But a new kind of statistical analysis can often estimate the degree of sexual variation in a dataset of fossils.

  • How dinosaur research can help medicine
    on August 24, 2020 at 2:56 pm

    The intervertebral discs connect the vertebrae and give the spine its mobility. The disc consists of a cartilaginous fibrous ring and a gelatinous core as a buffer. It has always been assumed that only humans and other mammals have discs. A misconception, as a research team has now discovered: Even Tyrannosaurus rex could have suffered a slipped disc.

  • Dinosaurs' unique bone structure key to carrying...
    on August 20, 2020 at 6:32 pm

    A unique collaboration between paleontologists, mechanical engineers and biomedical engineers revealed that the trabecular bone structure of hadrosaurs and several other dinosaurs is uniquely capable of supporting large weights, and different than that of mammals and birds.


Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Bones to pick, for $8M: Stan the T rex goes up...
    on September 17, 2020 at 8:15 am

    He weighed at least 7 tons and had eyes the size of baseballs. His bite could have crushed a car. He bore scars from fierce prehistoric battles.

  • Discovery of a new mass extinction
    on September 16, 2020 at 6:00 pm

    It's not often a new mass extinction is identified; after all, such events were so devastating they really stand out in the fossil record. In a new paper, published today in Science Advances, an international team has identified a major extinction of life 233 million years ago that triggered the dinosaur takeover of the world. The crisis has been called the Carnian Pluvial Episode.

  • T-rex skeleton could fetch record price at New...
    on September 16, 2020 at 9:26 am

    The skeleton of a 40-foot (12-meter) dinosaur nicknamed "Stan", one of the most complete Tyrannosaurus rex specimens ever found, will be auctioned in New York next month and could set a record for a sale of its kind.

  • New 'eternal sleeper' dinosaurs unearthed in China
    on September 15, 2020 at 1:24 pm

    A team of researchers affiliated with several institutions in China, one in Argentina and one in Belgium has identified the fossilized remains of two previously unknown dinosaurs in China. In their paper published in the journal Peerj, the group describes the fossils, provide the name of the new dinosaur and illustrate possible clues to explain their excellent preservation.

  • Humans, not climate, have driven rapidly rising...
    on September 9, 2020 at 12:39 pm

    Human impact can explain ninety-six percent of all mammal species extinctions of the last hundred thousand years, according to a new study published in the scientific journal Science Advances.