Pumpkins, gourds, and other Thanksgiving motifs very nearly didn’t survive to become part of the modern American autumn. The extinction of ice age megafauna several millennia ago killed off mastodons ...

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Squash may be the catalytic plant that graduated ancient peoples from hunter-gatherer to grower. Remnants of Cucurbita seed found in caves in Ecuador prove to be 12,000 years old. This predates the ...