Core Idea - Analogy is a powerful tool in science, enabling insights across different systems [5] - Interconnectivity between systems, from cosmic to human scales, fosters awe and enhances positive societal attributes [19][20] Scientific Concepts - The cosmic web, a large-scale structure in the universe, exhibits similarities to river networks on Earth [1][7][8] - Galaxies assemble through filaments in the cosmic web, analogous to rivers on a landscape [8] - Simulated intergalactic rainstorms are used to study the cosmic web and its connection to river networks [10][11] Examples of Interconnected Systems - River networks, such as the Mississippi River network, illustrate flow and connectivity [5][6] - Human circulatory and respiratory systems demonstrate branching networks similar to trees and cosmic structures [13][15][16] - The human circulatory system has a surface area of approximately three tennis courts [16] - The branching in the lungs for oxygen exchange occurs about 23 times, more than a typical tree [16] Da Vinci's Observation - Leonardo da Vinci's theory states that the sum of cross-sectional areas of tree branches equals the trunk's cross-sectional area [3]