Perhaps it an be linked to this study : "decapitated worms regrow heads keep old memories" http://voices.nationalgeographic.com/2013/07/16/decapitated-worms-reg

Perhaps it an be linked to this study : "decapitated worms regrow heads keep old memories" http://voices.nationalgeographic.com/2013/07/16/decapitated-worms-regrow-heads-keep-old-memories/ http://voices.nationalgeographic.com/2013/07/16/decapitated-...