Each popcorn kernel is a seed, ready to burst when heated. (Image credit: Rick Madonik via Getty Images) You can imagine that popping maize kernels was first discovered by accident.

Popcorn might be more than 6,000 years old, an anthropologist explains. Skip to main content. ... Luckily, corn – also called maize – has some hard parts, such as the kernel shell.

Figuring out when people started making popcorn is harder. There are several types of maize, most of which will pop if heated, but one variety, actually called “popcorn,” makes the best popcorn.

Luckily, corn – also called maize – has some hard parts, such as the kernel shell. They're the bits at the bottom of the popcorn bowl that get caught in your teeth.

There are several types of maize, most of which will pop if heated, but one variety, actually called “popcorn,” makes the best popcorn. Scientists have discovered phytoliths from Peru, as well as ...

Scientists have discovered phytoliths from Peru, as well as burned kernels, of this type of “poppable” maize from as early as 6,700 years ago.

Yellow Maize: Rich in beta-carotene (Vitamin A), used in animal feed, food pro­duction, ... Popcorn Maize: A unique variety that ex­pands when heated, mainly used for making popcorn.