What apes teach us about kissing
by editors@theworld.org (Stephen Snyder) from The World: Latest Stories on (#6RRBV)
A kiss has been a signal of special affection across continents and cultures for millennia. But there's long been debate over how the practice started. Host Carolyn Beeler speaks with professor Adriano Lameira at the University of Warwick in the UK, whose research with apes indicates a strong connection between kissing and primate grooming behavior.