Episode 4 of In Search of Giants: Dr Brian Cox takes us on a journey through the history of particle physics. In this episode we learn how Murray Gell-Mann predicted the existence of quarks. This film is part of a series originally broadcast on Teachers' TV (www.teachers.tv The series was made with the support of The Science and Technology Facilities Council (www.scitech.ac.uk). www.lhc.ac.uk - Official UK LHC website for public and schools. www.particledetectives.net - School resources on ...