How do nailpolish colors get their names? ELT digs into this FAQ, and finds out how painting our nails became a thing. Plus, an update on Jeremy’s reported fruit fly infestation. Guests: Fashion historian Suzanne Shapiro , author of Nails: The Story of the Modern Manicure ; Suzi Weiss-Fischmann, co-founder and Brand Ambassador of OPI Products Inc., and author of I’m Not Really a Waitress . Chemical ecologist Kevin Cloonan, Acadia University , Nova Scotia, Canada. Thanks to caller Olivia and all the callers who shared their gnat knowledge.