By: Adrija Roychowdhury
AI experts, computer scientists, even a 17-year-old in Washington DC — a new generation of enthusiasts is in the race with veteran epigraphers to unlock a secret code: what does the Indus script tell us about one of the oldest civilisations and its people? Adrija Roychowdhury on the signs and symbols that are fuelling the quest. The promise of a $1 million prize helps, too