Our new paper on Clock-genes and mitochondrial respiratory activity: Evidence of a reciprocal interplay is online at BBA- Bioenergetics. This work was the results of the follow up of a previous collaboration with the group of Gianluiggi Mazzoccoli from the Casa Sollievo della Sofferenza, San Giovanni Rotondo and Nazzareno Capitanio from the University of Foggia, in Italy.