Twenty shops in and around the town centre will join in to set the challenge. Each shop will have a model of a particular molecule related to its business tucked away somewhere in the window or inside.

Win a night-sky photo in our new astronomy competition!
Win a night-sky photo in our new astronomy competition! Would you like a night-sky image on your wall, taken by the observatory above? Take part in our new astronomy competition! The La Silla Observatory in Chile is part of

North Ronaldsay night sky photography competition
The skies above Orkney’s most northerly island are among the darkest in Europe. The winning images from the first two second annual competitions for North Ronaldsay night sky photographs shows the sharpness and clarity with which features can be seen.