Ancient sunflower fuels debate about agriculture in the Americas

Ancient Sunflower Fuels Debate About Agriculture in the Americas Researchers at the University of Cincinnati and Florida State University have confirmed evidence of domesticated sunflower in Mexico — 4,000 years before what had been previously believed.

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<p><a href="http://www.physorg.com/news128668719.html">Ancient sunflower fuels debate about agriculture in the Americas</a></p> <p>Ancient Sunflower Fuels Debate About Agriculture in the Americas Researchers at the University of Cincinnati and Florida State University have confirmed evidence of domesticated sunflower in Mexico — 4,000 years before what had been previously believed.</p>