Scientists Think They've Solved Why One of History's Most Advanced Civilizations Vanished

A new study published in Communications Earth & Environment has reconstructed the climate conditions of the ancient Indus River Valley civilization between 3000 and 1000 B.C., finding that four intense droughts - each lasting more than 85 years - likely drove the gradual decline of one of the world's earliest advanced societies. The research team, led by Hiren Solanki at the Indian Institute of Technology, Gandhinagar, combined paleoclimate data from cave formations and lake records with com...