Tag: "fossils" at biology news
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
... in the shells of tiny North Atlantic Ocean marine fossils
may finally provide scientists with an unambiguous way to reconstruct how bottom sea water temperatures have changed during and between past ice ages. In an article published in the Nov. 24 issue of the journal Science, Duke University geologist Gary...
Dating A Caveman
...s in human evolutionary history indicates that the fossils
date from at least 100,000 years earlier than scie...which the bones were found instead of studying the fossils
themselves, as previous investigators had done. According to Ku, there is evidence that radioisotope...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...ars found in Antarctica's Allan Hills, may contain fossils
of early life startled scientists and the public. It also drew the spotlight to the Antarctic Search for Meteorites, akin to a bargain-priced space mission on snowmobiles led by Ralph Harvey of Case Western Reserve University. Antarctica is actually...
Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor
...re looking so far back that there are virtually no fossils
or other physical clues to what the Earth's earliest animals were like. But Carroll and others are now finding powerful evidence that an ancient common ancestor - a worm-like animal from which most of world's animals subsequently derived - i...
Fossils Show British Columbia Was Once 2,000 Miles South
...ed. Ward also dismisses observations that fossils
in the British Columbiarocks show no evidence of t...es in animal and plantlife. This study of fossils
to confirm the ancient origin of rocks, says Ward,brings new excitement to a theory that gigantic bl...
Largest Tyrannosaur Fossil Unearthed In Montana
...vation and receive independentcorroboration of the fossils
before jointly announcing the discovery, but theev...these discoveries await complete excavation of the fossils
andrigorous scientific analysis, including independent corroboration," says Rigby. Rigby pla...
Notre Dame Paleontologist Finds Damage Done To T. rex Skull
... media reports. The federal Antiquity Act protects fossils
on federal land. No arrests have been announced. "...er, former owners of the cattle ranch on which the fossils
were found entered the site two weeks ago and began digging up the bones that remained in the ground...
Colorado State Anthropologist Finds Fossil Treasures In Africa
...rs of present-day baboons. The vast collection of fossils
is one of the few uncovered in Botswana and contai...mammals to eattheir prey, the cave is so rich with fossils
it's called Bone Cave. Waddle and the other researchers believe the find can help fill the gap in t...
UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
...urface. Finally, the model explains whyUintacrinus fossils
are always found in huge slabs with hundredsof individuals per colony. "We know they lived together by the hundreds in these groups,"said Meyer. "The idea would be that they link together, and itmay even be a collective property that adds to their su...
Geologist Finds Evidence Supporting Mysterious Ancient Sea
...ventually reassembled as part of SouthAmerica. The fossils
weren't formed in South America. They werecarried there. "Maria is showing something rather interesting which we didn'tknow before. The volcanoes change their compositions during thetime in which a whole series of these ash beds were being formed.Tha...
New Study Shows Dinosaurs From Gobi Desert Site Killed In Sudden "Sand Slides" Falling From Dunes - Study Also Reports First Dinosaur Tracks From Gobi
... for the extraordinary quality of the Ukhaa Tolgod fossils
and wouldexplain why they are always found in the sandstones that lack the structuredlayering caused by wind action. Precisely what triggers such debris flows is not well understood, but it appearsas though clays that coat individual grains of sand ...
American Museum Of Natural History Researchers Announce Discovery Of Oldest Known Fossil Ants - 92-Million-Year-Old Fossils Found In New Jersey Amber
...ns are 50million years older than the most ancient fossils
that were clearlyrecognized as ants; the find thus...owerCretaceous at about 130 million years ago. Ant fossils
from the Cretaceous Period are extremely rare, but those fromthe subsequent Tertiary are quite abund...
New Dinosaur Finds In Antarctica Paint Fuller Picture Of Past Ecosystem
... team of Argentinean and U.S. scientists has found fossils
of a duck-billed dinosaur, along withremains of An...inction of the dinosaurs). The team that found the fossils
is headed by Sergio Marenssi ofthe Instituto Antartico Argentino and Judd Case of St. Mary's College...
Recovery From Mass Extinction Is Unexpectedly Diverse
...tions andinvestigated the collections of molluscan fossils
for northern Africa and India. Jablonski found that the Gulf Coast of North America differed from all threeregions, not only in respect to bloom taxa but in other aspects, as well. For any mass extinction, the flora and fauna that appear afterwards c...
Earlier Human Speech?
...ll in the roughly two-million-year gap between the fossils
ofAustralopithecus and the archaic humans they studied. Such further studies mightreveal a steady increase in the size of the canal, Cartmill said. The scientists' initial work was supported by the Duke UniversityResearch Council, and current...
Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
...ge periods of Earth's history from whichnot enough fossils
have been found to make reliable estimates." To ...in of so many species," Kumar comments. Very few fossils
resembling modern mammals or other vertebrates have been foundin rocks formed during the Cretaceous ...
New Fossil Discoveries Clinch Ancient Age Of Human Ancestor
UNIVERSITY PARK, Pa. -- Newly discovered African fossils
could resolve questions over the age and evolutio...in a paper published in Nature in 1995 based on 22 fossils
discovered in northern Kenya, now have unearthed 38 additional fossils
that paint a more complete ...
Scientists Unearth Remains Of A Predatory Dinosaur In Madagascar
...pecimen, butthat's not true," Witmer says. "Intact fossils
don't allow scientists to see ananimal's internal ... found the 65 to 70 million-year-old Majungatholus fossils
inan area about 25 miles from Mahajanga, one of Madagascar's largest cities. Theyfirst discovered pi...
Carnegie Mellon Researchers Develop Nation's First Robotic Tour Guide For The
Dinosaur Hall At Pittsburgh's Carnegie Museum Of Natural History
...ld. The museum began collecting the giant fossils
in 1898 after Carnegieread a newspaper article titled the "Most Colossal Animal Ever on Earth JustFound Out West." In pursuit of these awe inspiring specimens for Pittsburgh,Carnegie financed an expedition to Wyoming that yielded the museum's firstdi...
International Research Team Announces Discovery Of Two Species Of Feathered
...ropoddinosaurs," says Dr. Ji Qiang. "But the same fossils
that solidify therelationship between birds and di...m in the Gobi Desert havealso included a number of fossils
that reinforce the link between birds anddinosaurs. Among these discoveries was an Oviraptor found ...
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