الاتحاد الدولي للكيمياء البحتة والتطبيقية
In 2016, Pratchett fans petitioned the International Union of Pure and Applied Chemistry (IUPAC) to name chemical element 117, temporarily called "ununseptium", as "octarine" with the proposed symbol Oc (pronounced "ook"). The final name chosen for element 117 was "tennessine" with the symbol Ts.