Menopausal Mother Nature

News about Climate Change and our Planet

Americas

Kernels of history

(University of California – Santa Barbara) Earlier this year Douglas J. Kennett, a UC Santa Barbara professor of anthropology, demonstrated that maize, or corn, became a staple crop in the Americas 4,700 years ago. It turns out he was just beginning to tell the story of the world’s biggest grain crop.

Ancient DNA continues to rewrite corn’s 9,000-year society-shaping history

Scientists report the fully sequenced genomes of three roughly 2,000-year-old cobs from the El Gigante rock shelter in Honduras. Analysis of the three genomes reveals that these millennia-old varieties of Central American corn had South American ancestry and adds a new chapter in an emerging complex story of corn’s domestication history.