• Kyodo

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Nanometer-size oxygen bubbles that stimulate aquatic microorganisms have the potential, if mass quantities are used, to purify entire lakes, a team that conducted research last month at Onuma Park in Nanae, Hokkaido, found.

Weighing almost the same as water particles, the so-called nanobubbles remain in the water for a long period, their oxygen stimulating bacteria into vigorously breaking down organic matter, the researchers said.

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