Mice sense each other's fear
Scientists have figured out how mice use their noses to sniff out fear in other mice.
By Emily Sohn, 00:00 AM September 3, 2008
People can usually tell when others are afraid just by the look on their
faces. Mice can tell when other mice are afraid too. But instead of
using their beady little eyes to detect fear in their fellows, they use
their pink little noses.
FEAR-OMONE: Mice smell fear in other mice using a structure called the Grueneberg ganglion. The ganglion has about 500 nerve cells that carry messages between a mouse's nose and brain.
Scientists are beginning to understand how mice sen...
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