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Tag: "paleontologists" at biology news

Paleontologists discover new mammal from Mesozoic Era

An international team of American and Chinese paleontologists has discovered a new species of mammal that lived ... vertebrates, scientists have found. Consequently, paleontologists and evolutionary biologists have been searching for more than a century for clues to the evolutionar...

Good times ahead for dinosaur hunters, according to U of Penn scientist's dinosaur census

...s dating back to the dinosaur era. At some point, paleontologists will find all the fossils that could possibly be found. Dodson and Wang's analysis also offers evidence that dinosaur populations were stable before the extinction event that ended their reign of global dominance. Dodson, however, warns that the pi...

Researchers give name to ancient mystery creature

...e creature were unearthed by University of Alberta paleontologists 30 years ago from the banks of the Blindman River in Alberta, Canada. About 10 years ago, more teeth were discovered at a dig site near Drayton Valley and on the banks of the Blindman. But the creature mystified the researchers, who could not positiv...

Trotting with emus to walk with dinosaurs

...-old dino tracks may be to hang out with emus, say paleontologists studying thousands of dinosaur footprints at the Red Gulch Dinosaur Tracksite in northern Wyoming. Because they are about the same size, walk on two legs and have similar feet, emus turn out to be the best modern version of the enigmatic reptiles tha...

Paleontologists learn how not to become a fossil

...all and live in deep, tropical waters. So say four paleontologists who have published a detailed, global study of cla...ysters, cockles and their kin), because they serve paleontologists the way geneticists use mice or fruit flies as model systems. Jablonski called the clam "a real bell...

Embryos tell story of Earth's earliest animals

...ted continuously over the last 12 years, mainly by paleontologists working in China. Scientists disagree about whether the fossils are actually animal embryos or even if they are animals. "The fossils look great. The problem is, if you know anything about embryos, their fossilization just doesn't seem likely," sai...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

... such a possibility to be extremely remote." Many paleontologists have withheld judgment on the alleged footprints, awaiting good geological dates, Feinberg said. "With this study, we're trying to nip any misrepresentation in the bud." ...

Scientists sequence DNA of woolly mammoth

...e samples from Siberia. The project also involved paleontologists from the American Museum of Natural History (USA) and researchers from Russia, the United Kingdom, France, and Germany. The researchers' report on the first genomic sequences from a woolly mammoth will be published on 22 December 2005 by the journal...

Missing fossil link 'Dallasaurus' found

... became fully aquatic. Turner took the remains to paleontologists at the Dallas Museum of Natural History, but it to...g as some dinosaurs, are becoming more popular for paleontologists to study. Mosasaurs lived and became extinct alongside dinosaurs, but few paleontologists specialize...

Wright bros. upstaged! Dinos invented biplanes

...r at Texas Tech University in Lubbock. The Chinese paleontologists who first reconstructed Microraptor had guessed th...ur, could not be splayed sideways," as the Chinese paleontologists assumed. That means Microraptor could not have extended its rear limbs to form a wing directly behin...

Space matters: Estimating species diversity in the fossil record

...more daunting task. One tool ecologists - but not paleontologists - have traditionally relied on to identify patterns of existing biological diversity is a long-established rule of thumb called the species-area effect: the tendency for species number, or richness, to increase in a predictable way with area. Paleont...

Agilent Technologies introduces high-capacity human protein removal system for proteomics research

...d not evolve together in the Late Triassic as many paleontologists thought. Rather, the theropods were well establish...as common and diverse in the Late Triassic as some paleontologists have claimed. "Sauropodomorphs and theropods are geographically widespread by the end of the Triass...

Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale

...d not evolve together in the Late Triassic as many paleontologists thought. Rather, the theropods were well establish...as common and diverse in the Late Triassic as some paleontologists have claimed. "Sauropodomorphs and theropods are geographically widespread by the end of the Triass...

Scientists reveal the shape of a protein that helps retroviruses break into cells

...ee-quarters of land plants and animals. Ward said paleontologists had previously assumed that Pangea was not just a supercontinent but also a "superhighway" on which species would have encountered few roadblocks while moving from one place to another. However, it appears the greatly reduced oxygen actually created...

Low oxygen likely made Great Dying worse, greatly delayed recovery

...ee-quarters of land plants and animals. Ward said paleontologists had previously assumed that Pangea was not just a supercontinent but also a "superhighway" on which species would have encountered few roadblocks while moving from one place to another. However, it appears the greatly reduced oxygen actually created...

NC State scientist finds soft tissue in T. rex bones

Conventional wisdom among paleontologists states that when dinosaurs died and became fossilized, soft tissues didn't preserve ?the bones were essentially transformed into "rocks" through a gradual replacement of all organic material by minerals. New research by a North Carolina State Univers...

New Clues Add 40,000 Years to Age of Human Species

...-supported team of anthropologists, geologists and paleontologists revisited the site in the late 1990s and early 2000s. Initially, the team relied heavily on Brown, who accompanied the American contingent of the 1967 International Omo Research Expedition. Yet, there were flaws in the published map, and the team...

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