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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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ScienceShot: Unique Horned Dinosaur Fossils Found in Utah
22 September 2010 2:00 pm
Scientists have discovered the fossils of two Triceratops relatives that must have been among the most striking creatures of their era. The bigger of the two, called Utahceratops gettyi (top and bottom right), features a large horn above its nose and two shorter, rounder horns protruding to the side from above each eye socket. And the beast's 2.3-meter-long skull seems too huge even for its massive, nearly 4-meter-long body. The smaller, Kosmoceratops richardsoni, also sports eye horns, including one each from above and to the side of each eye socket, plus a large nose horn, and 10 more sprouting from the rear of its skull's bony frill. The array makes Kosmoceratops the horniest dinosaur ever found, so to speak, and not without some justification. Scientists report online today in PLoS One that Kosmaceratops' accoutrements probably served as an attraction to potential mates. The team found both specimens, estimated at between 65 million and 80 million years old, in southern Utah, on part of a continental land mass called Laramidia. Back then a shallow midland sea separated the eastern and western halves of the present-day United States. So the two dinosaurs may have evolved their unique features in isolation.
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