Reddit discussion: http://redd.it/2hizmb Scientists detect the abundant (yet elusive) "pp neutrinos" created in the sun. Discussed by Professor Michael Merrifield from the University of Nottingham. Borexino Experiment: http://borex.lngs.infn.it --- Nature paper: http://dx.doi.org/10.1038/nature13702 More on Neutrinos: http://bit.ly/60Neutrinos EDITING OF THIS VIDEO: http://youtu.be/EeyItyqKe24 Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/#!/periodicvideos This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Sixty Symbols videos by Brady Haran A run-down of Brady's channels: http://bit.ly/bradychannels