



Minorities have poorer results and higher rates of unnecessary surgery from a common procedure used to remove plaque from inside the carotid artery, according to a UT Southwestern Medical Centre doctor who is lead author of the study in the journal Stroke…
Researchers working with Iraq and Afghanistan war veterans have found that post-traumatic stress disorder, the current most common mental disorder among veterans returning from service in the Middle East, is associated with an increased risk for thoughts of suicide…
Known for their wide variety of vibrant plumage, birds have evolved various chemical and physical mechanisms to produce these beautiful colours over millions of years. A team of palaeontologists and ornithologists led by Yale University has now discovered evidence of vivid iridescent colours in feather fossils more than 40 million years old…
HDTV image taking of Earth-rise
Mouse: I am not afraid