Search Results for: Dinosaurs
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1,961 results for: Dinosaurs
- Earth
Earliest birds didn’t make a flap
The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.
By Sid Perkins - Earth
Gassy volcanoes tied to mass extinction
Chemicals from a massive Siberian eruption 250 million years ago may have polluted the atmosphere and killed off most life on the planet.
- Earth
Oldest feathered dino shows its colors
Analysis of a fossil suggests plumage first evolved for display, not flight.
By Sid Perkins -
Dressing up dinos
Adding soft tissue to bone helps scientists, paleoartists bring ancient creatures to life.
By Sid Perkins - Paleontology
New fossil helps solidify dino origins
The dog-sized creature bolsters the notion that early dinosaurs first appeared in what is now South America.
By Sid Perkins -
Letters
Making morphine The article “Chemists pin down poppy’s tricks for producing narcotic painkiller” (SN: 4/10/10, p. 5) may presage geopolitical changes in Afghanistan, regardless of whether there are engineered virus attacks or alternative crop programs. A technological advance like this one will eventually be used in the United States and Europe. Even if governments continue […]
By Science News - Paleontology
Sail-backed dinos had semiaquatic lifestyle
Isotopic analyses of fossils suggest the carnivores had crocodile-like habits.
By Sid Perkins -
Book Review: Dinosaurs (book series) by Matteo Bacchin and Marco Signore
Review by Janet Raloff.
By Science News -
Book Review: The Whale: In Search of the Giants of the Sea by Philip Hoare
Review by Sid Perkins.
By Science News - Paleontology
Small ancestor of giant sauropods unearthed
Fossils suggest that the bipedal dinosaur occasionally walked on all fours and could open its mouth wide to gather foliage.
By Sid Perkins -
- Life
Three dino types may be just three dino ages
Study suggests three dinos placed in separate taxa are actually from one group at different growth stages