evidence: (MENAFN- Colombo Gazette) NASA has selected a new crew of four volunteers, including a Sri Lankan, to participate in a simulated mission to Mars within a habitat at the agency's Johnson Space Center in Houston. Jason Lee, Stephanie Navarro, Shareef Al Romaithi, and Piyumi Wijesekara will step into the agency's Human Exploration Research Analog, or HERA, on Friday, May 10. [...] Wijesekara is a postdoctoral research scientist in the Radiation Biophysics Laboratory at NASA Ames Research Center in California's Silicon Valley. Her research focuses on developing tissue models to investigate the effects of spaceflight stressors, including ionizing radiation and lunar dust on the human respiratory system.