Popcorn is one of the world's most popular snacks. It's also one of the oldest, with evidence supporting the theory that corn kernels were being roasted and eaten as far back as 6,700 years ago. Popcorn has come a long way since, and is today devoured in vast quantities throughout the world. But what exactly is popcorn, how is it made, and what's the story behind this most iconic of bite-sized nibbles?
Click through for an eye-popping account of one of the planet's favorite treats.