Cahokia's rise parallels onset of corn agriculture

Corn cultivation spread from Mesoamerica to what is now the American Southwest by about 4000 B.C., but how and when the crop made it to other parts of North America is still a subject of debate. In a new study, scientists ...

New method analyzes corn kernel characteristics

An ear of corn averages about 800 kernels. A traditional field method to estimate the number of kernels on the ear is to manually count the number of rows and multiply by the number of kernels in one length of the ear. With ...

Blue and purple corn: Not just for tortilla chips anymore

Consumers today insist on all-natural everything, and food dyes are no exception. Even if food manufacturers are willing to make the change, current sources of natural dyes are expensive and hard to come by. Now, a large ...

How a kernel of corn may yield answers into some cancers

Driving down a country highway in the Midwest can seem an endless ribbon flanked by green walls of corn, neatly planted in stately rows. But who would guess that a plant that feeds a planet might hold clues that could help ...

Study rewrites the history of corn in corn country

A new study contradicts decades of thought, research and teaching on the history of corn cultivation in the American Bottom, a floodplain of the Mississippi River in Illinois. The study refutes the notion that Indian corn, ...

Tiny genetic tweak unlocked corn kernels during domestication

If not for a single genetic mutation, each kernel on a juicy corn cob would be trapped inside a inedible casing as tough as a walnut shell. The mutation switches one amino acid for another at a specific position in a protein ...

Essential oils help control fungus growth in Argentinian corn

Argentina is the second highest corn producing country in the world. But because of the slow drying process in corn kernels and wet weather conditions in Argentina, corn grown there can easily become infected with fungus. ...

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