Title: Post-punk.
Question: What was one of the most popular concepts of the pop movement?

Title: 2008 Summer Olympics torch relay.
Question: How many days did the plane travel with the Torch team?

Title: Empiricism.
Question: What was Hume's nationality?

Title: Adolescence.
Question:
Which two neurotransmitters cause adolescents to be more emotional and more responsive to rewards and stresses?