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The original was posted on /r/todayilearned by /u/WouldbeWanderer on 2024-12-22 01:27:55+00:00.

Original Title: TIL about Biofouling, the accumulation of organisms (such as barnacles) where they are not wanted (such as on ship hulls) that causes degradation to the primary purpose of the item. Biofouling can require up to 40% more fuel to compensate for increased drag and reduced speeds.