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Science Gone WrongFeb 04, 2026

Scientists accidentally created glow-in-the-dark cats by inserting jellyfish genes into cat DNA to study genetic diseases, and the cats passed the trait to their kittens.

Scientists accidentally created cats that glow in the dark. They inserted jellyfish genes to study genetic diseases. The cats glow green under UV light. Their kittens inherited the glowing genes too. All the cats are healthy and normal.

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