puzzle solving

Richard Feynman, in a clip from the BBC series Fun to Imagine, takes on the puzzle of why mirrors seem to swap left and right but not top and bottom.

Dan Pink's TED talk argues that traditional carrot-and-stick rewards often fail for creative work, drawing on the candle problem and social science research. He points to autonomy, mastery and purpose as better motivators.

David Deutsch's TED talk arguing that humanity's survival depends on solving problems through knowledge growth. He frames people as improbable "chemical scum" capable of understanding distant quasars.