Anna Parini | TED

We’ve all felt lonely from time to time. But sometimes, things can get out of hand. Psychologist Guy Winch lays out some straightforward tips to deal with the pain of deep loneliness.

At the end of 2014, find repose by exciting the mind. 52 of the world’s leading thinkers offer the books that inspired them and their work.

What happens when the technology for manipulation on the neural level becomes possible? Could there be a future therapy for people with depression or PTSD — or heartbreak? Do people really want to have their memories manipulated? Elizabeth Loftus, Steve Ramirez and Xu Liu grapple with some big questions.