I've been cut off lidocaine foot pain cream cvs The space bacteria were cultured in artificial urine on NASA's Atlantis shuttle in 2010 and again in 2011 before the retirement of NASA's space shuttle program. Collins and her team of researchers used fabricated urine because it can be used to study the formation of biofilm outside and inside the body. Understanding how to safely remove and recycle waste is particularly relevant because of its importance in long-term spaceflight, NASA officials said.