Bicycling to Utopia (Oxford University Press, £9.99, ISBN 0 19 855895 3) is a banquet. Choose from any of eight main dishes, digest and return for more at no extra charge. Edited by Peter Day and Richard Catlow, these essays from the Royal Institution slip down easily. The title discourse an the genetic future of the human race (promising), and those on the brain (astonishing) and solar energy (reassuring) are the choicest in a delectable assembly.
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