response: I am not sure, but corn was domesticated in present day Mexico 9000 years ago.
original_response: I am not sure, but corn was developed in Mexico long ago.
history: Sometimes the taste of popcorn puts me off. Do you like popcorns? I'm indifferent to popcorn, its just a corn kernel variety which expands and puffs up upon heating. Who invented popcorn?
knowledge: Corn was first domesticated 9,000 years ago in what is now Mexico.