Srinagar, March 8 -- The motives that drove archaeologists of the past included a thirst for glory, a taste for treasure, and a desire to enshrine a new political era with the legitimacy of the ancient past.

Gradually, over the decades leading closer to ours, the discipline matured, gaining an ethical framework, and started asking questions about the societies and lifestyles of the people who had left their traces behind. Archaeologists began to compare their evidence to how we live now and increasingly started hunting for the origins of modern-day problems, from plagues and warfare to inequality. Archaeological research spread beyond the palaces and cities of a few civilizations to six continents, and the rapid growth of evidence in human...