stool, immunology, evolution
Ancient Croc Found
Jef Akst | Sep 16, 2011
Researchers discover a new fossil of an ancient 20-foot-long crocodile in the same coal mine where the world’s largest snake was found.
Ruffling Dinosaur Feathers
Cristina Luiggi | Sep 15, 2011
Dinosaur and early bird feathers trapped in amber around 80 million years ago provide unprecedented insight into the evolution of plumage.
Early Bird Plumage
Early Bird Plumage
Cristina Luiggi | Sep 15, 2011
After rummaging through thousands of amber inclusions housed at the University of Alberta and the Royal Tyrrell Museum of Paleontology in Canada, researchers discovered 11 amber encased-feather fossils that provide the most detailed picture yet of early feather evolution.
Neurotransmitter-Regulated Immunity
Rachel Nuwer | Sep 15, 2011
Nerve signals control T cell responses, helping to explain inflammation and stroke.
Behavior Brief
Jessica P. Johnson | Sep 13, 2011
A round-up of recent discoveries in behavior research
Ancient Jelly Simplifies Animal Tree?
Sabrina Richards | Sep 9, 2011
A newly discovered fossil of a nearly 600-million-year-old comb jelly ancestor may call for scientists to rethink early animal evolution.
The Mosaic Pre-Man
Rachel Nuwer and Sabrina Richards | Sep 8, 2011
Newly excavated Australopithecus sediba fossils exhibit a mixture of primitive and more modern features.
Hypoallergenic Dogs Overhyped?
Bob Grant | Sep 6, 2011
A study finds that homes with dogs billed as hypoallergenic harbor just as many allergens as those housing other breeds.
Genetics Paper Retracted
Jessica P. Johnson | Sep 2, 2011
Due to statistical errors, a Science paper claiming that mutation is responsible for genetic variation is retracted.
What Causes Alzheimer’s?
W. Sue T. Griffin | Sep 1, 2011
Researchers and pharma companies have tried to attack this disease by reducing amyloid plaques, but inflammation may be the real culprit.