Clip: Season 4 Episode 4 | 5m Video has closed captioning.
If you were to gaze upon a cave full of New Zealand glowworms, you may think you’re looking at a star-lit night sky. Using a small organ at the end of their bodies, these tiny gnat larvae illuminate surfaces of the caves and ravine walls they call home. Meet the biochemists who are on a mission to discover the molecular basis for the glow worm’s bio-luminescence.
Problems Playing Video? | Closed Captioning