Dr. Allan Ropper speaks with residents and fellows as they do rounds at the neuroscience intensive care unit at Brigham and Women's Hospital in Boston. M. Scott Brauer for NPR hide caption

itoggle caption M. Scott Brauer for NPR

"In that instant I realized how much energy it takes to hold that hatred inside of you" — Zak Ebrahim James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

"It's one of those moments in your life where you're so conscious about what you're about to do, and what you're about to do will change your life." --€” Geena Rocero James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

James Cameron talks about how his fascination with the world around him has driven his film career. James Duncan Davidson/TED/Courtesy of TED hide caption

itoggle caption James Duncan Davidson/TED/Courtesy of TED

Aficionados line up outside Hot Doug's, a gourmet hot dog diner in Chicago, in May. Owner Doug Sohn has announced that he will shut the doors in October after nearly 14 years. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP