“How does a freestyle rapper rhyme without rehearsal? How does a jazz improviser shape an instant solo? How do improv comedians wing it under pressure? Creativity is one of our most mysterious and fascinating capabilities, and astonishing things happen inside the brains of improvisers as they perform.” WaPo with an interactive piece that looks at the science of improvisation.

+ Nautilus: What Time Feels Like When You’re Improvising. “Improvisation appears to take place in an altered state of mind.” (I can vouch for that…)