RHUM-RUM featured on NBC News (United States) Written by Guilhem Barruol on 16 October 2012. Posted in RHUM-RUM in the media 16 Oct. 2012 -- Article by Charles Q. Choi, OurAmazongPlanet.com, featured on NBCNews Science. Expedition to map deep magma plume, the dinosaurs' undoing Researchers think violent hotspots may originate near the Earth's core at depths of 1,550 miles Read the article on NBC News