This book highlights and discusses recent developments that have contributed to an improved understanding of observed mantle heterogeneities and their relation to the thermo-chemical state of Earth's mantle, which ultimately holds the key to unlocking the secrets of the evolution of our planet. This series of topical reviews and original contributions address 4 themes. Theme 1 covers topics in geophysics, including global and regional seismic tomography, electrical conductivity and seismic imaging of mantle discontinuities and heterogeneities in the upper mantle, transition zone and lower...

This book presents close-readings of seven post-millennial comedic films: Up in the Air, Tropic Thunder, JCVD, Winnebago Man, The Trotsky, Be Kind Rewind, and Hamlet 2. It is a sequel to Stanley Cavell's 1981 landmark study of the comedic genre, Pursuits of Happiness, where he examines seven comedies of Hollywood's "Golden Age." Khan puts forward the idea that comedies, once centred on the conventional "happy ending," are no longer interested in detailing the steps to any ending we might call happy. Instead, the agenda of most...