INTERESTING RADIO - NPR

NPR : Does Age Quash Our Spirit of Adventure?: "All Things Considered, August 15, 2006 � Robert Sapolsky, a distinguished neuroscientist in his 40s, had a young assistant who played different music every day, from Sonic Youth to Minnie Pearl. That made Sapolsky crazy -- and curious about why his aging ears still crave the music he loved in college. Is there a certain age when the typical American passes from the novelty stage to utter predictability?"