NASA Astronaut Kate Rubins conducts a DNA experiment for a STEM in 30 segment, Thursday, April 27, 2017 at Smithsonian's National Air and Space Museum in Washington. Rubins served on the International Space Station during Expeditions 48 and 49 and became the first person to sequence DNA in space. She completed her first mission when she landed in a remote area near the town of Zhezkazgan, Kazakhstan in October 2016. Photo Credit: (NASA/Aubrey Gemignani)