Ancient tides may have sparked humanity’s first urban civilization

ScienceDaily
Oct 27, 2025, 2:38 am106 pts
New research shows that the rise of Sumer was deeply tied to the tidal and sedimentary dynamics of ancient Mesopotamia. Early communities harnessed predictable tides for irrigation, but when deltas cut off the Gulf’s tides, they faced crisis and reinvented their society. This interplay of environment and…

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