Fifty years on, Pilobolus has stretched the creative limits of interpretive dance into its own image, that of a rebel arts organism that knows no limits. They go where professional dance troups do not dare. The new presentation, Other Worlds Collection, inhabits acrobatics, sensuality and humor. As directed and composed by playwright Aaron Posner, with multi-instrumentalist Stuart Bogie, Pilobolus will also do a deep dive into its own past