### A lunar settlement will need rules that hold for years and still adapt, leadership that can shift as situations change, and knowledge that passes cleanly from one generation of settlers to the next. Kathak, one of India's major classical dance forms, has its own answers to each: - ### Rules that hold and adapt: dancers and musicians keep a shared rhythm cycle while improvising within it. - ### Leadership that shifts: in many performances, the lead passes between dancer and drummer in real time. - ### Knowledge that passes on: the form has been handed from teacher to student for centurie...