NASA sent one of two twin brothers to space for a year. Here's what happened
NASA is conducting a study to assess how the human body changes as a result of space travel, using Scott Kelly and his twin brother Mark Kelly as subjects.
Dina Spector is the managing editor at Business Insider UK. She is currently based in London.
NASA is conducting a study to assess how the human body changes as a result of space travel, using Scott Kelly and his twin brother Mark Kelly as subjects.
How to feel happier, according to neuroscientists and psychologists.