There's an entire industry built around dieting. Most of its products are intended to help people lose weight, gain muscle, or live longer. But as the global human population steadily climbs, ...

Following the onset of the recent global economic crisis, much of the news, especially in advanced economies, was dire. Unemployment was rising, company profits were falling, financial markets were ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...