This math-free book is a good introduction to quantum gravity and has a lot of interesting history about the development of the theory since 1899. It's an informal...
People have always wanted answers to the big questions. Where did we come from? How did the universe begin? What is the meaning and design behind it all? Is there anyone out...
Since it was developed, Newton‘s law of gravitation and many other laws of physics cannot be derived from one grand underlying principle.Deriving Newton‘s law of...
In The Descent of Man Darwin applies evolutionary theory to human evolution, and details the theory of sexual selection, a form of biological adaptation distinct from, yet...
A manned mission to Mars has been the dream of humanity at least since the nineteenth century when we first saw details of the surface and thought there might be canals filled...
Psychologists study which cognitive operations underpin a given conscious perception. Neuroscientists track the neural correlates of consciousness in the brain, the organ of the...
Listen to talks from J. Krishnamurti's Ojai gathering in California, 1980.This talk: Why Has Man Given Supreme Importance to Thought – 8 April 1980• Q: Is the "ground"...
Listen to talks from J. Krishnamurti's Amsterdam gathering in The Netherlands, 1967.This talk: To Look Without a Concept Is to Be Aware of the Observer and the Thing Observed –...
Numbers are integral to our everyday lives and factor into almost everything we do. In this Very Short Introduction, Peter M. Higgins, a renowned popular-science writer, unravels...
What is the nature of unidentified aerial phenomena?Forty years ago a small cadre of dedicated researchers began actively investigating cases, interviewing witnesses, and...