Researchers probe the complex nature of concussion

It seems simple enough: Taking a hard hit to the head can give you a concussion. But, Stanford researchers report March 30 in Physical Review Letters, in most cases, the connection is anything but simple.

Boys are right-handed, girls are left...

Well at least this is true for sugar gliders (Petaurus breviceps) and grey short-tailed opossums (Monodelphis domestica), finds an article in BioMed Central's open access journal BMC Evolutionary Biology, and shows that handedness ...