On shelves at a Humanetics facility in Huron, Ohio, skulls stare from their eyeless sockets, shiny and silver. Around a corner, a rack is filled with squishy, peach-toned arms, legs, torsos and butts.

Car crash test dummies are vital for ensuring cars are safe to drive, but did you know they may actually cost more than the cars they're being tested in?

Automotive crash test dummies are born in Ohio, brought to "life" near Detroit, and then sent around the world to make cars safer. Built to spill: The life of a crash test dummy On shelves at a ...