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These Sea Slugs Can ‘Eat’ Sunlight—but They’re No Astrophage. Here’s How the ‘Project Hail Mary’ Antagonist Has a Real-Life Analog in Earth’s Oceans
By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis Niamh Ordner March 18, 2026 7:30 a.m. Like Astrophage, the solar-radiation-eating microbes in Andy Weir’s...