Tackiness and cohesive failure of granular pastes: Mechanistic aspects Y. O. Mohamed Abdelhaye, M. Chaouche, J. Chapuis, E. Charlaix, J. Hinch, S. Roux and H. Van Damme Eur. Phys. J. E, 35 6 (2012) 45 Published online: 14 June 2012 DOI: 10.1140/epje/i2012-12045-6