The universe has its secrets. It may even hide extra dimensions, different from anything ever imagined. A whole raft of remarkable conceptsnow rides atop the scientific firmament, including parallel universes, warped geometry, and threedimensional sink-holes. We understand far more about the world t[...]

One of Time magazine's 100 most influential people in the world and the bestselling author of Warped Passages, Lisa Randall is an expert in both particle physics (the study of the smallest objects we know of) and cosmology (the study of the largest). In this, her most recent book, Randall takes us o[...]

The latest developments in physics have the potential to radically revise our understanding of the universe: its make-up, its evolution and the fundamental forces that determine its operation. Knocking on Heaven's Door is an exhilarating and accessible overview of these developments and a rousing de[...]