Scientists have learned a lot about our distant ancestors from DNA that's thousands of years old. Like the fact that we've inherited some Neanderthal DNA, so apparently our ancestors mated with them. Now there's new research from DNA that moves on from paleo-mating to paleo-eating.
About 10,000 years ago, hunter-gatherers in the Near East figured out how to grow cereal crops like wheat. The farming culture spread, and wherever it went, people traded in their spears for plows.