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Mark pays a visit to Kemnay Quarry in the north east of the country where he meets up with local history enthusiast Duncan Downie to hear about the key role the quarry played in supplying granite to many of the buildings in Aberdeen as well as all over Scotland.

Emily Esson visits the Royal Northern Spring Show at Thainstone Mart to hear how farmers are getting involved with an exciting new art project.

Due to the number of storms Scotland has seen recently, Hessilhead Wildlife Centre in Ayrshire has been inundated with grey seal pups which have become separated from their mothers. We hear from Gaynor Christie about the crucial role the centre plays in rehabilitating the seals in order to release them back into the wild.

When it comes to walking, producer Phil isn鈥檛 really known for striding out; he鈥檚 more of a leisurely stroll kind of guy. So when Phil turned up for some Nordic walking instruction from Karen Powell earlier this week, he was certainly put through his paces.

NASA has confirmed that an area of the red planet has been named the Sands of Forvie, after the nature reserve in northeast Scotland. We speak to Professor John Bridges to find out how Scotland has become one of the name-bearers for places on the red planet.

As the dolphin centre in Spey Bay prepares to reopen, Mark caught up with centre manager Alison Rose to have a wander around.

A few years ago, the Radical Road below Salisbury Crags in Edinburgh was closed due to a rockfall. The Radical Road provides access to Hutton鈥檚 Section, possibly the most famous geological site in Edinburgh, so Mark caught up with geologist Angus Miller to find out more about the significance of Hutton鈥檚 Section and to get his thoughts on the perimeter fencing which has now been in place for 3 years.

And Euan has another mystery bird for us. Can you guess this week鈥檚?