Effects of the variation of fundamental constants on Population III stellar evolution S. Ekström, A. Coc, P. Descouvemont, G. Meynet, K. A. Olive, J.-P. Uzan and E. Vangioni A&A, 514 (2010) A62 Published online: 20 May 2010 DOI: 10.1051/0004-6361/200913684