News

How mice smell fear

Mysterious structure at the tip of the nose could be a special alarm sensor.

By
1:09pm, August 21, 2008

Fear stinks. And its stench tickles a recently re-discovered set of nerves in the tip of a mouse’s nose.

Swiss researchers report in the Aug. 22 Science that they have finally found a function for a structure called the Grueneberg ganglion. The structure, composed of about 500 neurons, is an alarm pheromone sensor, say Marie-Christine Broillet, a neurophysiologist at the University of Lausanne, and her colleagues.

This article is available only to subscribing members. Join SSP today or Log in.

More from Science News