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Thanks to those who submitted feedback forms. Special thanks to NorthLink Ferries for generously providing £100 voucher prizes for the winners: Jane Ellison from the Family Day; Malcolm Grisdale from the Festival overall. #oisf

After the rush of the festival, John Leith is relaxing by making short videos of life around his house - and looking back on some traditional uses for plants, including here rushes, in the past converted into wicks for oil lamps. youtube.com/watch?v=uG_wf0…

It's a fresh approach to chemistry - instead of producing problems like pesticides and microplastic fibres, it transforms waste materials into resources. It produces cleaning products from sawdust and food wastes, and fuels from waste cooking oils. youtube.com/watch?v=0LclX5…

Amidst the terrible effects of dementia, there are people who have found ways to help, small but appreciative ways, and it looks that music can get through when words and memories can't. youtube.com/watch?v=trNRng…

We're delighted that our new film, The Making of the Pentland Firth, will be available on our YouTube channel from 7 pm on Friday 1 November. It shows how the Firth was carved out by glacial action, then storm, wave and tide which continue today. youtube.com/watch?v=CaGCmT…

Tomorrow (Wednesday 6 November) is the day we hear the five £1m winners in this year’s Earthshot competition. 15 finalists range from regenerative seaweed farming to using distillery waste water to grow Omega-3-rich algae. youtube.com/watch?v=hcNZ4t…

To mark National Engineering Day, here's Prof. Brian Cox looking at the achievements of the Orkney-originated company Orbital Marine Power which has produced the world's most powerful tidal turbine. The video was launched recently by the Royal Society. youtube.com/watch?v=iGqmNg…

Thursday 14th November would have been the 79th birthday of our great friend and colleague, Dr John Flett Brown. He could indeed explain the record of the rocks as clearly as the pages of a book. frontiersmagazine.org/a-rock-in-the-… frontiersmagazine.org/geological-mem…

It's National Tree Week, and John Leith has been visiting Happy Valley, the woodland in Stenness developed by Edwin Harrold, to bring together images in Slow TV format with the trees and the light and the sound of the burn flowing through. youtube.com/watch?v=9nK0IT…

Continuing with National Tree Week, here's a look back with John Leith at the process of planting a tree in Orkney. youtube.com/watch?v=l2VXPT…

As National Tree Week continues, John Leith has been taking a look at his garden wildlife as well. youtube.com/watch?v=5qs6aG…

With National Tree Week under way, here's a look back at an outline from some years ago of some of the Orkney woodlands and some of the people who have developed them so well over the years. frontiersmagazine.org/orkney-trees-a… #NationalTreeWeek

For five minutes of pure relaxation, much needed at this time of year, sit back and watch the birds coming and going to John Leith's bird table - first sparrows, and then starlings, and somehow the sparrows manage to come back ... youtube.com/watch?v=1GoOaZ…

Orkney's energy horizons are continuing to expand, with oil joined by wind and tide, and offshore wind on the way. Neil Kermode of EMEC and Gareth Davies of Aquatera give a perspective from the heart of ongoing developments. youtube.com/watch?v=MDseKm…

It's like science fiction - and back in 1953 Ray Bradbury wrote a story, The Golden Apples of the Sun, of a journey into solar fire. "There's only one direction in space from here on out," says the captain of the ship - "North." [Image: NASA/Johns Hopkins APL/Steve Gribben

There is a wonderful mix of activities in North Ronaldsay this weekend with the island's annual Science Festival. You can go seabird watching or join a late night lighthouse trip, map the night sky constellations or learn about plans to return to the Moon.

For St Patrick's Day we honour an Irishman who moved effortlessly between the worlds of poetry and science and laid the mathematical foundations of modern physics. Three superb Irish musicians helped us tell the story. frontiersmagazine.org/music-to-reach…

After some fine spring days in Orkney, John Leith's garden has catkins on willows, some daffodils in bloom, and snowdrops as well. Join him for a tour, along with two of his hens who are hoping that the outing will result in something for them too. youtube.com/watch?v=28QdHP…

When we made the Pentland Firth film we rounded off a great day in Stroma with a visit to John O'Groats for a get-together with Walter Mowat, who has a lifetime's knowledge of the Firth and its tides and their hazards for the many ships passing through. 📷 youtu.be/b6_9osWYeBc

A fascinating exhibition at the Pier Arts Centre in Stromness tells the story of Dr Beatrice Garvie, doctor in North Ronaldsay in the 1930s and 40s. In addition to her medical service she took many fine photographs of the people of the island. frontiersmagazine.org/a-toast-to-dr-…