Richard Dawkins, the Oxford biologist, spends this 1996 Channel 4 film making the case that science is not just useful but genuinely thrilling. He sits down with the astronomer who first identified pulsars, the geneticist who invented DNA fingerprinting, and a researcher who discovered a protein linked to cancer, letting each explain what it felt like to make the find. Douglas Adams and David Attenborough turn up as interview subjects, both asked plainly why science matters to them, and their answers give the film its warmest moments. Dawkins also turns to the darker half of his argument, visiting classrooms and courtrooms where scientific illiteracy has real consequences, and setting that against the rise of paranormal belief he sees around him. The structure alternates between celebration and warning: wonder at what science has actually found out about pulsars, genes, and disease, then concern about what happens when people trust superstition instead. It ends as a plea for scientific understanding as something closer to pleasure than duty.