Conjectures and Refutations is one of Karl Popper's most wide-ranging and popular works, notable not only for its acute insight into the way scientific knowledge grows, but also for applying those insights to politics and to history. It provides one of the clearest and most accessible statements of the fundamental idea that guided his work: not only our knowledge, but our aims and our standards, grow through an unending process of trial and error.

Mining America is a vivid account of the damage wrought by almost two centuries of mining, but its main focus is on the conflicting attitudes behind the destruction and on society's responses. Veteran author and historian Duane Smith asserts that the marriage of mining and environmental issues was bound to touch America's sensitive pocketbook nerve - but the question now is, are all groups willing to pay the price?

History of hockey in the town of Norwood, Massachusetts.

Historia militar de Cuba desde 1492 a 1986. Escrita en ingl s.