No Offense! "Bird Brain" Is a Compliment

Next time someone calls you a birdbrain, smile and say "thank you." Our feathered friends come well equipped with hardware and software for complex behaviors. A new study published in the Proceedings of the National Academy of Sciences puts birds on par with macaques and other mammals, and even suggests they can think.

Here's what the news from Vanderbilt University says about the results of a detailed study by researchers primarily from the University of Prague, with additional team member...