Spectator books of the year: Mark Cocker on a stake through the heart of pseudoscience
The Invention of Nature: The Adventures of Alexander von Humboldt, the Lost Hero of Science by Andrea Wulf (John Murray, £25). Darwin pronounced him the greatest scientific traveller who ever lived, but the brilliant German Alexander von Humboldt (1769–1859) left no groundbreaking theory or world-changing book. Wulf sets out to restore his diminished reputation, and