31 October 2013
By Rebecca Morelle
Science reporter, BBC World Service
Scientists have shed more light on how the movements of a dog's tail
are linked to its mood.
Earlier research had revealed that happy dogs wag their tails more
to the right (from the dog's point of view), while nervous dogs have
a left-dominated swish.
But now scientists say that fellow canines can spot and respond to
these subtle tail differences.
The study is published in the journal Current Biology. (...)