Problem solver’s cry

EUREKA!

Think of the exclamation famously shouted by an ancient scholar after making a groundbreaking discovery in the bath.

Problem solver’s cry" hints at the famous exclamation someone shouts when they’ve suddenly figured something out. The answer is "EUREKA!"—a word tied to the ancient Greek mathematician Archimedes, who allegedly ran through the streets naked yelling it after discovering how to measure volume by water displacement. The clue plays on the idea of a triumphant moment of realization, making "EUREKA!" the perfect fit for that lightbulb instant.