MARY S. TYLERnbsp;Professor, Biological Sciences Department, University of Maine, USA. Among several awards, she received the University's Distinguished Maine Professor Award in 1981 and the Most Inspiring Professor of the Year Award from University of Maine Student Government in 1997. Her research interestsnbsp;are primarily in vertebrate embryonic development, studying organ development and tissue interactions using in vitro experimental techniques. RONALD N. KOZLOWSKI Research Associate, Biological Sciences Department, University of Maine, Orono, USA. He is a Board Member of Silva Borealis, a non-profit biology-based foundation in which he also serves as the Chief Technical Officer.