The Science of Kissing

There was lot of kissing going on this week, as romantics celebrated and even cynics got caught up in the hoopla of Valentine’s Day. But what’s in a kiss, scientifically speaking? Sheril Kirshenbaum brought a less-ventured perspective to the topic at ideacity a few years back. This marine scientist turned smooch specialist dug into the history, literature and scientific research about why humans kiss, and what happens to the brain and body when lips are locked.