Microplastics are a big pollution problem in the ocean. They’re tiny particles of plastic that can clog the intestines of fish and destroy the tissues of marine creatures. But these mussels help filter them out of the water… with their poop.

If you like this video, I think you’ll enjoy this longer episode on the future of movies with MKBHD: https://youtu.be/u7pu1cQBqtQ

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