http://edition.cnn.com/2007/TECH/science/02/07/prehistoric.love.ap/index.html
"As far as we know, it's unique," Menotti told The Associated Press by telephone from Milan. "Double burials from the Neolithic are unheard of, and these are even hugging."
"The Neolithic is a very formative period for our society," he said. "It was when the roots of our religious sentiment were formed."