noddie
n.— «Whenever you see an taped interviewer nodding, smiling or reacting with a knowing or quizzical eyebrow, you are generally watching what are called “noddies”—reaction shots filmed after the interview takes place.» —“The BBC. A former insiders view” by Iain Macwhirter Sunday Herald (Glasgow, Scotland) July 22, 2007. (source: Double-Tongued Dictionary)
Further reading
In an interview about her magisterial history of the Great Migration, The Warmth of Other Suns (Bookshop|Amazon), Isabel Wilkerson noted that her own writing process poses the same challenge any writer has: “One word followed by another word...
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...