Embry-Riddle Aeronautical University graduate and retired astronaut Nicole Stott says space explorations have helped improve life on Earth. “In terms of just human health alone, we’ve learned a great deal more about osteoporosis and bone loss, visual and optical issues, radiation effects, diet, muscle tone and the need for exercise. Of course, books are being written about the environmental, geophysical, meteorological and technological knowledge we have learned through space … [Read more...] about Astronaut Views Space Exploration as an Obligation