Where's the postbox? <a href=" http://jillianreilly.com/retrolisthesis-of-l5-s1/#remembrance ">huntington's thesis</a> Mylene Mariette, from the University de Saint-Etienne, France, and lead author of the study said: "We know that social interaction is important for some aspects of development, like the role of males to teach youngsters to sing, but so far no study has looked at the effect of how interaction between juveniles affects their behaviour as adults."