Will the Indus Valley script ever be deciphered?
LiveScience: “Experts have a mix of ideas about whether the [Indus Valley] script will ever be deciphered. Even if it is decoded, the texts' short lengths and scholars' wide differences of opinions may make it hard for any decipherment to be widely recognized. While some experts think that AI could help decipher the language, researchers will likely have to guide the AI for a full decoding, the experts said.”