That civilization’s main cities “boasted street planning and house drainage worthy of the twentieth century. They hosted the world’s first known toilets, along with complex stone weights, elaborately drilled gemstone necklaces and exquisitely carved seal stones featuring one of the world’s stubbornly undeciphered scripts. … Now – as a result of increased collaboration between archaeologists, linguists and experts in the digital humanities – it looks possible that the Indus script may yield some of its secrets.”