 Davis' teaching positions have been at MIT, the Rhode Island School of Design (RISD), and the University of Kentucky.Davis' works include the sculpture "Earth Sphere", a landmark fog fountain at Kendall Square, Cambridge, Massachusetts, near the MIT campus; "RuBisCo Stars", a transmission of a message to nearby stars from the Arecibo Observatory radiotelescope in Puerto Rico, carried out in November 2009; "New Age Ruby Falls", a project to create an artificial aurora using a 100,000 watt electron beam fired into the magnetosphere from a NASA space shuttle (which has not yet been carried out); and "Microvenus", a piece of symbolic art involving engineering the genetic code of a microbe.Davis' work has been featured in scientific journals, art magazines, and mainstream media—including "Scientific American", "Nature" magazine, and several books.