Villagers in what is today Israel were the first to cultivate olive trees, an international study that pooled data from countries surrounding the Mediterranean Sea has concluded. This start of olive domestication apparently began in the Galilee around 7,000 to 6,500 years ago, the team estimates. Olives and especially olive oil were staples of ancient economies around the Mediterranean Basin: The oil was used for cooking, lighting as well as medicinal and ritual purposes. But so far there has been little agreement among researchers as to where and when people first domesticated the plant. Dating estimates have ranged from more...