Fig. 1. Flagging the Sema code. From the left, Hajime Fujisawa and the three
meeting organisers Alain Chedotal, Alex Kolodkin and Valerie Castellani in
front of the Abbaye des Vaulx de Cernay, where the second EMBO workshop on
`Semaphorin function and mechanisms of action' was held. Photo courtesy of
B.J.E.