Why neutrinos matter - Sílvia Bravo Gallart

View full lesson: http://ed.ted.com/lessons/why-neutrinos-matter-silvia-bravo-gallart Elementary particles are the smallest known building blocks in the universe—and the neutrino is one of the smallest of the small. These tiny neutrinos can tell us about the furthest reaches and most extreme environments of the universe ... but only if we can catch them. Sílvia Bravo Gallart details how the IceCube telescope in Antarctica is working to do just that. Lesson by Sílvia Bravo Gallart, animation by Steff Lee.