In the last part of the exhibition, you have the chance to put your visit into perspective with a view to human debate. Alone in a booth, you can put forward your opinion on genetic tests. Symmetrical to this facility, the "hot seat" gives you an opportunity to read and see various points of view about the scientific, political, social and even fundamental issues involved in genetic research.

You will leave the exhibition with a few scruples, or - etymologically speaking - a few pebbles - white stones to mark your way, but also stones in your garden, which bother, concern, question…