How much faith should we place in what scientists tell us? Is it possible for scientific knowledge to be fully 'objective'? What really can be defined as science? In the second edition of this Very Short Introduction Samir Okasha explores the main themes & theories of contemporary philosophy of science & investigates fascinating challenging questions such as these Starting at the very beginning with a concise overview of the history of science Okasha examines the nature of fundamental practices such as reasoning causation & explanation Looking at scientific revolutions & the issue of scientific change he asks whether there is a discernible pattern to the way scientific ideas change over time & discusses realist versus anti-realist attitudes towards science He finishes by considering science today & the social & ethical philosophical questions surrounding modern science ABOUT THE SERIES The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area These pocket-sized books are the perfect way to get ahead in a new subject quickly Our expert authors combine facts analysis perspective new ideas & enthusiasm to make interesting & challenging topics highly readable