Water (H₂O), 139

Watson, James, 16

Wedgwood, Emma, 34

Wenner, Adrian, 99-100, 101-2

Williams, G. C, 128, 129

Wilson, Allan, 48, 50, 51

Wolpert, Lewis, 25-26

Wordsworth, William, 161

Wrasse, blue-headed, 113. See also Fishes

Xerox copies, 16

Yeast, 42-43, 49

Zoology, 10

Richard Dawkins is the author of the bestselling science books The Selfish Gene, The Blind Watchmaker, River Out of Eden, Climbing Mount Improbable, Unweaving the Rainbow, The Ancestor’s Tale and The God Delusion. He is a Fellow of both the Royal Society and the Royal Society of Literature, has received numerous awards, and was the first holder of the Charles Simonyi Chair in the Public Understanding of Science at Oxford University from 1995 until 2008. An atheist and scientific rationalist, he is famous for his advocacy of natural selection. The God Delusion has sold well over 1.5 million copies and has been translated into 31 languages. Recently, his television programme 'The Genius of Charles Darwin' won 'Best Documentary Series' at the British Broadcast Awards in 2009. He lives in Oxford and will be joining us via satellite.