Developing our sense of smell

This is an image of 2.5-um thick optical slice through the nose of a zebrafish embryo in which microvillous cells also are stained with a neuronal marker demonstrating... PASADENA, Calif.-When our noses pick up a scent, whether the aroma of a sweet rose or the sweat of a stranger at the gym, two types of sensory neurons are at work in sensing that ... (more)

http://www.eurekalert.org/pub_releases/2013-03/ciot-dos032513.php