Scientists solve unpopped popcorn

INDIANAPOLIS, Indiana (AP) -- Eat your way to the bottom of almost any bag of popcorn and there they are: the rock-hard, jaw-rattling unpopped kernels known as old maids.

The nuisance kernels have kept many a dentist busy, but their days could be numbered: Scientists say they now know why some popcorn kernels resist popping into puffy white globes. the rest of the article... you know you want to...

oh thank god they found *that* out!