Why / O.R. Frisch
The lure of completeness / Hermann Bondi
The nature of knowledge / R.A. Lyttleton
Is physics legislated by cosmogony? / J.A. Wheeler and C.M. Patton
The cosmical mystery / I.W. Roxburgh
Origin of earth, moon, and planets / W.H. McCrea
Galaxies, quasars and the universe / M. Rowan-Robinson
The solar interior / D.Gough
Curved space / P.C.W. Davies
Is space curved? / I.W. Roxburgh
The riddles of gravitation / B. Bertotti
Relativity and time / T. Gold
The "arrow of time" and quantum mechanics / A.J. Leggett
The hinterland between large and small / C.J.S. Clarke
A clash of paradigms in physics / T. Bastin
Emergent properties of complex systems / Alan Cottrell
Transformations / R.W. Cahn
The unknown atomic nucleus / Denys Wilkinson
Probing the heart of matter / A. Salam
Is nature complex? / R. Penrose
Complexity and transcomputability / H.J. Bremermann --
Mathematics in the social sciences / C.W. Kilmister
Some unsolved problems in higher arithmetic / H. Halberstam
Introduction / John Kendrew
The sources of variation in evolution / R.J. Britten
The edge of evolution / J.C. Lacey, A.L. Weber and K.M. Pruitt
Fallacies of evolutionary theory / E.W.F. Tomlin
The limitations of evolutionary theory / J. Maynard Smith
Rethinking the origins of the genus homo / D.C. Johanson
The control of form in the living body / Vincent Wigglesworth
The languages of the brain / H.B. Barlow
Consciousness / R.L. Gregory
Learning and memory and the nervous system / H.A. Buchtel and G. Berlucchi
Developmental biology / F.H.C. Crick
Immunology / H.S. Micklem
Why are there blood groups? / A.E. Mourant
Leaf structure and function / P.J. Grubb
Symmetry and asymmetry problems in animals / A.C. Neville
Bacterial pathogenicity / K.A. Bettelheim --
Human thought and action as an ingredient of system behaviour / M.M. Lehman
Human nutrition / M.V. Tracey
Why do we not understand pain? / P.D. Wall
Drug addiction / J.H.P. Willis
Sleep / W.B. Webb
Ascorbic acid and the glycosaminoglycans / E. Cameron and L. Pauling
The veils of Gaia / P. Cloud
The design of novel replicating polymers / A.G. Cairns-Smith and C.J. Davis
Synthetic life for industry / A.G. Cairns-Smith
The ecological dilemma / M. Holdgate and J.W.L. Beament
Ignorance below our feet / N.L. Falcon
Problems outstanding in the evolution of brain function / R.W. Sperry.