The Moon's Pull on the Sea: A Truth Recorded in the Mahabharata - Ancient Knowledge of Tides The Astika Parva is part of the Adi Parva of the Mahabharata. In it, Kadru and Vinata go to see the divine horse Uchaishravas, to check whether its tail is black or not. On the way they see the great ocean, called the treasury of waters. The description says the ocean is beaten by the winds, its shoreline keeps changing, and it seems to dance everywhere with waves like raised hands. Then it adds one important point: its waves rise and fall with the changes of the moon. (Astika Parva Mahabharata Chapter 19) This is a simple observation, but it is the same pattern that modern science calls tides. The text says the movement of the sea is not random. It follows the moon. When Did Modern Science Notice This? People who lived near the sea always saw that high tide and low tide have a rhythm. In the Western world, the Greek traveller Pytheas wrote in the fourth century BCE that tides are connected...