Cover: Image of maize mature pollen grain – exploded – showing in the middle the three nuclei (stained with DAPI): the one from the vegetative cell (round shape), and the two others from the sperm cells (elongated shape). The phospholipase named NOT LIKE DAD, involved in maternal haploid induction in maize, is specifically expressed in the sperm cells at this pollen developmental stage. From Laurine M Gilles, Thomas Widiez and colleagues: Loss of pollen-specific phospholipase NOT LIKE DAD (NLD) triggers gynogenesis in maize. For details, see the Article on p 707, also highlighted by David Jackson on p 703. Scientific image by Laurine M Gilles, Laboratoire Reproduction et Développement des Plantes (RDP), Univ Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRA, Lyon, France.