By Joy Richardson, Colin Maclean, Moira Maclean, Jean Coppendale
By Paul, Bennett
By Delta Willis
By John Mingers
By Roland Ennos, Magnus Johnson
By Dr. Mark Avery, Chris Packham
By Jennings, Terry, Griffin, Mary
By David J. Daegling
By Matthias Kliegel, Mark A. McDaniel (University of Washington, USA)
By Cristiano Dal Sasso
By Sally Morgan
By Jose V. Castell (University Hospital 'La Fe', Valencia, Spain), Maria Jose Gmez-Lechn (University Hospital 'La Fe'
By Anna Alessandrello, Rocco Serini
By Amos, Janine, Solway, Andrew
By Stephen Parker, Steve
By Lisa Randall
By Sir Fred Hoyle, Chandra Wickramasinghe
By Richard Fortey
By Desmond Morris
By M.E.Van Valkenburg, Rolf Schaumann, Rolf Schaumann (Professor, Head Department of Electrical Engineering, Portland State University, USA)
By Stephen Webster
By Leonard Lee Rue
By Theodorou, Rod
By Swallow, Su
By Jinny Johnson
By Steve Parker, Alan Maryon-Davis
By Michael Kent
By James David Edgar Knox
By Joy Richardson
By Carol Ballard, Stephen Parker, Steve