Does learning make you smarter?

This episode features: -Can posing like Wonder Woman improve your public speaking ability? -Can the future affect the past? -Have scientists found evidence for the existence of psychic powers? -Why is there an average difference in math scores between men and women? -Where do stereotypes come from? -Is psychology politically biased? -Is "growth mindset" real? -Is "priming" real? -Is "stereotype threat" real? -Can you affect the way someone votes by showing them an American flag? -How to tell if research is reliable or not -Is willpower a limited resource? -Can you replenish your willpower by consuming glucose?