Stephen Jorgenson-Murray is based in Frankfurt and has appeared in publications including CityMetric and Gizmodo UK. He writes about birds, science, space, maths, transport, Germany, food chemistry, and any combination of the above. @stejormur

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No commercial reuse without permission. The podcasts, radio and online content:Creative Commons LicenseCreative Commons LicenseLittle Atoms by 89up Ltd is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Based on a work at littleatoms.com. Permissions beyond the scope of this license may be available at 89up.org. "Junco hyemalis hyemalis CT2" by Cephas - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons.