An “aha! moment,” such as Morgan’s marvelous insight that the Milky Way is a spiral, is a new idea or perspective that arrives abruptly, often bursting into an ongoing stream of thought.

NEW BEDFORD — AHA! Night is set to host "I AM NB" on March 13, focusing on lesser-known narratives in the second installment of a captivating storytelling series. Thursday night will be about ...