Can smart phones and smart watches keep astronauts healthier in space? University of Hawaiʻi researchers have partnered with NASA to find out. John Shepard of the UH Cancer Center and his team will measure astronautsʻ body shape and mass during the Polaris Dawn human spaceflight mission slated for launch in April. Their one-year project received $150,000 to develop the technology that may reduce the risk of muscle loss and improve overall health for astronauts during longer space missions. The team will capture 3D images using an Apple iPhone 12 Pro and data on body hydration levels using a Samsung Galaxy Watch5.