Dance and acrobatics and feminism and science are each their own unique worlds, but LAVA has been cleverly combining them with style and humor since 2000. This Brooklyn troupe of female and transgender performers explores geology and ancestry in its new work, "Tracks," which reimagines the classic hero's journey, a staple of so many epics. They do so with the help of a network or ropes, "an underground cave of experimental sound," and their signature partnering.