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The article describes the life and works of palynologist John H. Wrenn and captures the essence of his character. It mentions that Wrenn was deeply committed to the American Association of Stratigraphical Palynologists (AASP) for much of his professional life. It stresses that Wrenn was born in Jackson, Michigan, and spent his younger years in Arlington, Illinois. It states that Wrenn's involvement with AASP began in 1986 when he organized and chaired the First Symposium on Neogene Dinoflagellate Cyst Biostratigraphy during AASP's 20th Annual Meeting in New York City.

The article discusses the highlights of Knotting Mathematics and Art: Conference on Low Dimensional Topology and Mathematical Art which took place at the University of South Florida from November 1 to 4, 2007. With over 100 participants, this unique conference focused on a specific area of mathematical research, knot theory and topology, and on mathematical art influenced by this area of mathematics. At the conference, the talks ranged from nano-sculptures through macro structures, digital prints, dance and music.

The article offers step-wise-instructions for construction of tunnel-cubes using cards.