The world holds lots of surprises for the rapidly developing minds of the Dionne quintuplets - the famous baby sisters of Callender in Ontario - but the greatest shock came when the children experimented with some coloured spectacles that their nurses left within reach when they put on their thinking caps to decide why the landscape should suddenly take on a new and strange aspect Photo shows Yvonne Dionne lifting her head to see if the sky has also changed its hue September 22nd 1935