Search Results for: Vertebrates
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Paleontology
Study picks new site for dinosaur nostrils
A new analysis of fossils and living animals suggests that most dinosaurs' nostrils occurred at locations toward the tip of their snout rather than farther up on their face, a concept that may change scientists' views of the animals' physiology and behavior.
By Sid Perkins -
Paleontology
Dinosaur fossil yields feathery structures
Researchers believe they have found primitive feathers on the remains of Sinornithosaurus millenii, a 124-million-year-old raptor dinosaur from Liaoning, China.
By Linda Wang -
Paleontology
Fake fossil not one but two new species
A supposed missing link between dinosaurs and birds that was first unveiled in 1999, and revealed to be a forgery soon thereafter, was actually cobbled together from parts of animals from two new species.
By Sid Perkins -
Obscure brain chemicals draw new attention
Long-dismissed brain chemicals called trace amines have receptors on human cells and may play a role in depression and schizophrenia.
By John Travis -
Quoll male die-off doesn’t fit pattern
Males of a ferretlike marsupial called a quoll die off after one mating season-unusual behavior that suggests the need for new theories of why such deaths occur after mating.
By Susan Milius -
Paleontology
Two new dinosaurs chiseled from fossil gap
A sleek predator and a pot-bellied giant dinosaur have emerged from North American rocks to fill in a 30-million-year gap in the dinosaur fossil record.
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Paleontology
Early Mammal’s Jaw Lost Its Groove
A tiny fossil skull found in 195-million-year-old Chinese sediments provides evidence that crucial features of mammal anatomy evolved more than 45 million years earlier than previously thought.
By Sid Perkins -
Meeting Danielle the Tarantula
Insect zoos have no lions, tigers, or bears but can give plenty of thrills, courtesy of tarantulas, giant beetles, and exotic grasshoppers.
By Susan Milius -
Humans
Weekly Science Snoop
WARNING: This fake tabloid contains rumor, humor, and other words that don't rhyme with truth.
By Bruce Bower -
Paleontology
The Latest Pisces of an Evolutionary Puzzle
The recent discovery of coelacanths off the northeastern coast of South Africa was the first sighting of the rare fish in that country since the first living coelacanth, a type of fish thought to have been extinct for millions of years, was caught there in late 1938.
By Sid Perkins