Interesting article.
If You Want to Know if Spot Loves You So, Its in His Tail
http://www.nytimes.com/2007/04/24/science/24wag.html?_r=2&ref=science&oref=slogin&oref=slogin
If You Want to Know if Spot Loves You So, Its in His Tail
http://www.nytimes.com/2007/04/24/science/24wag.html?_r=2&ref=science&oref=slogin&oref=slogin