Trilobites: The Gooey Details Behind a Glow Worm’s Starry Night Illusions In the Waitomo caves of New Zealand, the insects use bioluminescence and silk threads of a sticky substance to catch prey. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Planet Nine BREAKTHROUGH: Astronomer reveals ’we know its orbit pretty well’Why High-Class People Get Away With IncompetenceTrilobites: Peering Beneath a Source of El Capitan’s Deadly RockfallsQ&A: I Have the Tree. Where’s the Grapefruit?SpaceX launch: Elon Musk set to launch 60 satellites to deliver internet from spaceYellowstone volcano is MOVING – and it could result in a HUGE eruption