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A delightful, well illustrated, excursion into the part played by Fibonacci sequences in nature. We investigated how fast rabbits can breed and the family tree of a honeybee together with the spirals on a cauliflower, coneflower and sunflower. We used our own spreadsheets to investigate how the ratio of successive terms of a Fibonacci sequence tend to the Golden Ratio and viewed how this ratio is present in art. The finale, following an illustration of the Fibonacci sequence in music, was a Fibonacci Waltz by Ted Froberg. A very engaging session with a very useful Powerpont presentation to take away at the end. Bob referred to the excellent website of Ron Knott (http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/ ) which formed a starting point for the development of some of Bob’s material for this session.