Caffeine wakes you up, rock stars die young and long ambulance rides aren't ideal. Sound obvious? You bet. But there's more than meets the eye here. On this week's episode of Cocktail Party Science, the writers and editors of PopSci's "Science Confirms the Obvious," talk to host Chuck Cage about the studies that make you say "duh" and why they're worth a second look.

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Scientists learn that rock stars party hard and teens buy stuff to feel cool. Well, duh. But there's more insight behind these findings than you might think.

Launch the gallery here to learn why exactly materialistic teens are insecure, vacations are better sans cell, loneliness sucks and more.

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