A Dog’s Tail Wag Can Say a Lot
By DOUGLAS QUENQUA
When watching a tail wag to the left, dogs showed signs of anxiety, scientists found. When the tail went in the opposite direction, they remained calm.
Published: November 5, 2013 at 5:00AM
via NYT Science http://www.nytimes.com/2013/11/05/science/a-dogs-tail-wag-can-say-a-lot.html