Can Virtual Reality Help Astronauts Keep Their Cool?

While astronaut Scott Kelly spent his year on the International Space Station, he expressed frustration with the ho-hum accommodations inside the ISS -- it's dullsville. The temperature remains exactly the same day in and day out. The décor is a sterile mix of machines and wires. Astronauts are isolated, confined to small spaces and under a considerable amount of stress. While the vistas outside their window are no doubt spectacular, humans need a hint of nature's greens and blues to stay