1,961 results
1,961 results for: Dinosaurs
- Paleontology
Ancestor of Kings: Early progenitor of T. rex had a crest
Paleontologists have unearthed remains of the oldest known dinosaur of the tyrannosaur clan.
- Paleontology
Young and Helpless: Fossils suggest that dinosaur parents cared
Skeletal remains found in the fossilized eggs of an early dinosaur hint that adults of the species may have cared for their hatchlings.
- Paleontology
New View: Fossil offers novel look at an ancient bird
A newly described specimen of an ancient creature that most scientists consider the oldest known bird is posed in a way that provides new viewing angles for several body features.
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19603
The discovery of the early raptor Buitreraptor may resolve one puzzle of the dinosaur-bird relationship. The late-Jurassic “first bird,” Archaeopteryx, seems closely related to dromaeosaurids, yet those animals appear to have lived later, in the Cretaceous. The realization that raptors were around much earlier makes the dinosaur-bird link even clearer. John DavisJackson, Miss.
- Humans
Letters from the December 17, 2005, issue of Science News
C plus Ewan Cameron, who in 1971 began to collaborate with Linus Pauling on vitamin C and cancer, typically initiated patients with 10 grams per day of vitamin C given intravenously for about 2 weeks, followed by an oral dosage continued indefinitely. The two Mayo Clinic trials referred to in “Vitamin C may treat cancer […]
- Paleontology
Newfound dinosaur wasn’t sticking its neck out
Fossils of a new, 10-meter-long sauropod species excavated in South America suggest that, unlike most of its massive kin, the creature had a relatively short neck.
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19584
The plates on Stegosaurus and the fleshy, domed skulls on pachycephalosaurs could certainly have been for recognition, but not the kind of recognition cited in this article comparing it to teen fashion. Isn’t flashy recognition often a sign that says, “Don’t eat me because I am poisonous”? There may have been enough noxious secretions in […]
- Paleontology
Just for Frills?
The more that paleontologists scrutinize some dinosaurs' plates, frills, and other anatomical oddities, the more they suspect that the rationale behind these features is simply the need to be recognizably different.
- Paleontology
Egg-Citing Discovery: Dinosaur fossil includes eggshells
The first-ever find of shelled eggs inside a dinosaur fossil bolsters ideas about the reptiles' reproductive physiology.
- Animals
What’s Going on Down There?
In a 10-year, global effort, researchers exploring the unknowns of marine life have found bizarre fish, living-fossil shrimp, giant microbes, and a lot of other new neighbors.
- Humans
Letters from the October 15, 2005, issue of Science News
Sun, sky, or slather? “Sun Struck: Data suggest skin cancer epidemic looms” (SN: 8/13/05, p. 99) gives the impression that the increase in skin cancer among young people is caused by tanning in the sun. Environmental factors such as ozone depletion should have at least been referenced in the article. Cathy Hodge McCoidSacramento, Calif. In […]
- Paleontology
Plenty of dinosaurs yet to be found
Despite a dramatic surge in dinosaur discoveries in recent years, paleontologists won't soon run out of interesting new fossils to unearth, a new analysis suggests.
