By Polly Atkin
By Ann Wroe
By J.E. Parton, S.J.T. Owen
By Rudolf F. Graf, William Sheets
By F. Graham Smith, John Hunter Thomson, J.H. Thompson
By Food and Agriculture Organization of the United Nations
By JAMES DAVIDSON
By Kathryn Whyman, Ian McMullen
By Henry Stark
By Mark Fox (Department of Physics and Astronomy, University of Sheffield)
By Eugene Hecht
By Philip Ball
By M. Remoissenet
By Michel Remoissenet
By Mariana Haragus, Gerard Iooss
By Joao Magueijo
By Eugene Hecht, Alfred Zajac
By Oxlade, Chris
By Wenham, Stuart R, Green, Martin A, Watt, Muriel E, Corkish, Richard
By Velzel, Chris
By Jane Brox
By Helen Arney, Steve Mould
By Van Duzer, Chet
By Grankov, Alexander G., Milshin, Alexander
By Fritz, Theodore A., Fung, Shing F.
By Yamaguchi, Yoko
By Schols, Sarah
By Lin, Psang Dain
By Li, Chunfei
By Hecht, Eugene, Zajac, Alfred, Zajic, A.