How mice smell fear
Mysterious structure at the tip of the nose could be a special alarm sensor.
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.
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FEAR-OMONE | The Grueneberg ganglion, composed of about 500 neurons, is an alarm pheromone sensor. Science/AAAS