water, without even getting wet! This reason is because these water-walking insects are so light, their long, thin legs distribute their weight evenly and prevent them from breaking the surface tension of the water. The surface of any body of water behaves as though it is covered with an invisible skin, which allows small, light-weight insects to walk across it. This skin effect is caused by surface tension. Like molecules are attracted to each other. They like to “stick together” and this attractive force is known as "cohesion".
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