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Microplastics are everywhere, with these tiny pieces of junk polluting the oceans, ending up in fish, and ultimately even humans’ bloodstreams. But, a team of scientists with China’s Sichuan University say they can see their robotic fish someday swimming through the ocean, cleaning up the junk as they do. According to their research, their little robots, which look like a Pepperidge Farm Goldfish,  are activated by light, swim autonomously, and have proven to attract plastic. The idea is they’d collect tons of the stuff at scale, and swim the fish to a collection point, where they’re cleaned and freed to keep working.