Aflevering 5

How predictable is a terrorist? With Bart Schuurman, terrorism researcher. * Is invisibility science fiction or a matter of time? With science journalist George van Hal. * News block: Scientists in the well of hell in Yemen/Winnaar Inktspotprijs, with special professor of illustration Saskia de Bodt; Australian tree skink females store sperm from several males at once; New treatment of brain tumors. * Stoptober. With Reinout Wiers, professor of developmental psychology at the University of Amsterdam.