http://news.yahoo.com/s/ap/20080327/ap_on_sc/sniffing_danger]Emotion makes nose a sharper smeller (AP)[/URL]



AP - Know how a whiff of certain odors can take you back in time, either to a great memory or bad one? It turns out emotion plays an even bigger role with the nose, and that your sense of smell actually can sharpen when something bad happens.