Tag: "paleontologist" at biology news

Ultra-low oxygen could have triggered die-offs, spurred bird breathing system

...at high altitude. Now, a University of Washington paleontologist theorizes that low oxygen and repeated short but substantial temperature increases because of greenhouse warming sparked two major mass-extinction events, one of which eradicated 90 percent of all species on Earth. In addition, Peter Ward, a UW prof...

Scientists believe ancient arachnids may have spun silk like modern spiders

... around for a long time, said Conrad Labandeira, a paleontologist at the Smithsonian Institution in Washington, D.C., and an adjunct professor of geological sciences at Ohio State. Trigonotarbids were predators, so its possible that they used silk to trap prey. Or they could have lined burrows with it, as a means o...

Dinosaur symposium at the Smithsonian Institution

... until 4:45 p.m. On Dec. 14, world-famous dinosaur paleontologist Jack Horner will kick off the second day of the symposium with the keynote speech at noon. Horner is the curator of paleontology at the Museum of the Rockies in Bozeman, MT. He is also a senior scholar at the Smithsonian Institution. His talk, "D...

Dinosaur fossil record compiled, analyzed

...cused on the evolution of dinosaurs. It is to the paleontologist what Beckett's Baseball Card Price guide is to the baseball card collector, and more - Heathcote's analysis provides information on the relationships between classes and groups, whereas the Beckett guide draws no lineages for players, for instance. H...

Human evolution at the crossroads: Integrating genetics and paleontology

...d their current research, in addition to Hlusko, a paleontologist incorporating quantitative genetic approaches, wer...Walker of Pennsylvania State University, a primate paleontologist who discussed efforts to understand contradictory paleontological and genetic phylogenies; Chi-hua C...

Two dinosaurs from Africa give clues to continents' split

... discovered by a team led by University of Chicago paleontologist Paul Sereno. The find provides fresh information about how and when the ancient southern continents of Africa, South America and India separated. The new species, which is 95 million years old, and a second new meat-eating species Sereno found on a...

Computer imaging of Archeopteryx skull suggests this dinosaur-bird link could fly

...ssil fragment brought to him by Angela Milner. The paleontologist at London's Natural History Museum is a co-author of the Nature paper that will be published Aug. 5, about the findings. Rowe and other scientists revere the 147-million-year-old specimen that was originally discovered in German limestone in 1861 be...

Broken arms and collateral damage: clues to predator-driven evolution

...neration, and Baumiller, Gahn and Carlton Brett, a paleontologist from the University of Cincinnati, have applied for funding to do just that....

'Fossil genes' reveal how life sheds form and function

MADISON - Reading the fossil record, a paleontologist can peer into evolutionary history and see the surface features that plants and animals and, occasionally, microbes have left behind. Now, scouring the genome of a Japanese yeast, scientists have found a trackway of fossil genes in the making, provid...

Operation Dangling Dino

...ell-respected experts including: Dr. Alan Titus, paleontologist for Grand Staircase-Escalante National Monument, (...4-4332 Dr. Scott Sampson, lead researcher and paleontologist from the Utah Museum of Natural History,University of Utah (801) 581-0561 Mike Getty, paleontol...

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