… and hear today about developments in North Ronaldsay with its dark skies, for which we’ll be joined by Scotland’s new Astronomer Royal, Prof. Catherine Heymans of Edinburgh University, and by lighting engineer Jim Paterson from Moffat, who has assisted the island through all the various stages of its application for International Dark Sky status.

For a lunchtime snack today, we’re having toast with cream cheese and black pepper, topped with flakes of hot cure smoked salmon or smoked mackerel, garnished with slices of fresh tomato and some chilli jam. For a fuller Orkney lunch, download our leaflet of Peedie Kirk lunch recipes, and we’ve a booklet about foraging food options as well.

You can watch this free event from here, through the YouTube link below, or if you’d like to join questions and discussion, you can also go to the Science Festival’s YouTube channel