Most of us recognize basic phases of matter and their properties: solids maintain their shape, liquids flow freely with ...

I have been thinking about Brownian motion a lot lately.Random walks, Gaussian distributions, Ito calculus, stochastic differential equations, and diffusion equations.As I researched these, a certain ...

Depression is not a sign of "mental weakness."Medically, it is defined as a disorder in which brain function declines, ...