How maize became a key food source in Central America 4,700 years ago
Thursday, June 4, 2020 - 13:40
in Mathematics & Economics
About 9,000 years ago in the Balsas River Valley of southwestern Mexico, hunter-gatherers began domesticating teosinte, a wild grass. Fast-forward to the present, and what was a humble perennial has been turned into the world’s biggest grain crop: maize. Humanity deeply relies on maize, or corn, but just when it became a major food crop […]