Christina Applegate’s did acclaimed work in sitcoms, Broadway, movies, and dramatic roles. But she's had to overcome more than her share of adversity along the way.

Freddie Mercury recorded vocals for Made in Heaven while dying, barely able to stand. He passed in 1991, but his immortal legacy lives on.

Heath Ledger was one of the most talented actors of his generation, and he was gone far too soon. Here, we delve into the secrets of his life—and his death.

Carl Switzer’s spontaneous discovery by a Hollywood producer reads like entertainment folklore. His exit, however, sounds more like a cautionary tale. Poor Switzer went from being one of the most recognized faces in television—Alfalfa in Our Gang—to pilfering trees from the forest to sell at Christmas time. It was a steady, but not so slow decline from child star to adult felon. His short, tragic life was an absolute train wreck—but, as the story unfolds, just try and look away.

Those so-called villains of the 1980s weren’t always plotting world domination. Some were just following rules, protecting turf, or making rational choices. Once you hear their side, you might wonder if the “heroes” really had it right.

The entertainment industry has filled our heads with scenes that look cool but defy all sorts of logic. What looks thrilling on screen often bends the rules of science, even plain common sense.