Simone Biles at 2016 Rio Olympics (Credit: Agência Brasil Fotografias/Wikimedia Commons/CC BY 2.0)

US gymnast Simone Biles, who has dominated the sport since the 2013 World Championships, is often described as “the greatest gymnast of all time” and “superhuman.” The 21-year-old phenom proved herself worthy of both labels at the recently held World Championships in Doha, Qatar when she won a medal in every discipline, including four golds, while battling a painful kidney stone.