NASA Astronaut Ricky Arnold extracts RNA from biological samples to help researchers observe genetic changes that take place in microgravity. Arnold will participate in a live Q&A with grade school students in Georgia next week.
Students in Georgia and Washington, D.C., will talk live with two NASA astronauts on the International Space Station next week as part of NASAs Year of Education on Station. These Earth-to-space calls will air live on NASA Television and the agencys website.
NASA astronaut Ricky Arnold
/Public Release. For more details, please visit NASA