Disasters – natural or otherwise – have a way of bringing out extremes in human behaviour and emotions. And so it was with the Easter Week fire at Cathédrale Notre-Dame in Paris: from the Catholic priest who risked his life to save irreplaceable relics and artwork, to French businessmen pledging grandiose sums for rebuilding, to the almost psychotic architecture some proposed for the restoration. For Patrick Keeney, the near-catastrophe triggered deep reflection on our era’s tense relationship between science and spirituality.