A 'how to' astrology handbook for practical alchemical laboratory work written by a working alchemist and astrologer. This method is used to determine when to m

Alchemy is an ancient, but still practised, science. Peter Marshall investigates the realities behind the mythology of alchemy and searches for evidence of the

The Lost History of Cosmopolitanism challenges our most basic assumptions about the history of an ideal at the heart of modernity. Beginning in antiquity and co

Physicists think they have discovered the top quark. Biologists believe in evolution. But what precisely constitutes evidence for such claims, and why? Scientis