Astronaut Scott Kelly's Latest Mission: A Book

After a year in space, Kelly says, writing a book was harder than he thought — but still, he adds, "If I write a bad sentence people are only going to get angry with me. They're not going to die."(Image credit: NASA/Getty Images)

Source: NPR Health and Science - October 17, 2017 Category: Consumer Health News Authors: Rachel Martin Source Type: news