Described as a "geek songstress" by the Edinburgh Reporter, Arney plays the ukulele as one third of the Festival of the Spoken Nerd,[2] accompanied by stand-up mathematician Matt Parker and television scientist Steve Mould.

[3] At the 2012 Boring Conference,[4] Arney gave a presentation entitled "Features and Specifications of the Yamaha PSR-175 Portable Keyboard (Discontinued)."

Her hypothetical donation to this imaginary museum was a set of samples of the four most recently discovered chemical elements: nihonium, moscovium, tennessine, and oganesson.

[7] In 2013, Arney wrote a piece in the Financial Times entitled "You've got to laugh", in which she promotes the power of comedy in communicating scientific principles.

[8] In 2018, Arney published the book The element in the room: science-y stuff staring you in the face with her fellow Festival of the Spoken Nerd partner Steve Mould.