蜜芽传媒

Lynne Truss celebrates 100 years of the crossword by finding out why they are so addictive.

She learns that people experience a small release of an endorphin or 鈥減leasure kick鈥� when they find the correct answer to a clue, known as a 鈥減enny dropping鈥� or 鈥淎ha鈥� moment.