Srinath Mahankali in an early round at the 88th Scripps National Spelling Bee. (Photo: Chip Somodevilla/Getty Images)
Season 6, Episode 51
This week on Freakonomics Radio: the psychologist Angela Duckworth argues that a person’s level of success is directly related to their level of stick-to-itiveness. No big surprise there. But grit, she says, isn’t something you’re born with — it can be learned.
Plus: Tim Ferriss, a man whose entire life and career constitute one big quest for self-improvement.