In this number we talked about archaeology: The Incan gold and the secrets of Machu Picchu, the invisible city; data science: the digital data apocalypse! The storage of internet data and the extinction of human kind; archaeology in Sardinia: Domus de Janas and the cult of the Mother Goddess; history of food: Sante Lancerio the first sommelier in history and hyppocras wine; military history: Anabasis, the last march of the Ten Thousand Greek warriors: science: Microsoft and the eternal life, online chat with the dead. The new frontier of chatbots.