By Reader's Digest
By Kerson Huang (Massachusetts Inst Of Tech, USA)
By Jamie James
By Paul Hoffman
By Atkins, Peter W.
By Martin Brookes
By Robert Jastrow
By Carlo Rovelli, Erica Segre, Simon Carnell
By Kary B. Mullis
By Peter Atkins (Professor of Chemistry, University of Oxford and fellow of Lincoln College)
By Brian Clegg
By Siobhan Roberts
By ISAAC ASIMOV
By New Scientist
By Desmond Morris
By A. Needham
By Charles Seife
By Max Tegmark
By William H. Cropper
By Eric Laithwaite (Imperial College of Science, Technology and Medicine, London)
By Joao Magueijo
By Ian Stewart, Nikki Phillips
By Edmund Garnweidner
By Theoni Pappas
By Daniel Grieser
By David Deutsch
By Einstein, Albert, Hawking, Stephen
By Robert M. Laughlin
By Susskind, Leonard, Friedman, Art
By Douglas H. Erwin