How Ancient Humans Survived a Drought That Lasted Years?

Ancient humans survived mega-droughts lasting centuries through three key adaptations: reading the land to find hidden water sources, storing water in ostrich eggshells, and migrating to coastal areas to rely on tide-dependent shellfish; this survival strategy, called variability selection, demonstrates that human evolution was shaped by environmental chaos rather than stability, making flexibility, cooperation, and collective memory the core traits that enabled our species to thrive.