iss052e061925 (8/21/2017) --- NASA astronaut Peggy Whitson is photographed working with the Genes In Space experiment in the Node 2 module. Genes in Space is an innovation challenge including students and teachers across the United States from grades 7 through 12. Students design a pioneering DNA-related experiment to fly on the ISS, providing real-world training in science, technology, engineering and math (STEM) fields and connecting students to the space program.