In the everyday world, governed by classical physics, the concept of equilibrium reigns. If you put a drop of ink into water, ...

Scientists have long seen a puzzling pattern in tokamaks, the doughnut-shaped machines that could one day reliably generate electricity from fusing atoms. When plasma particles escape the core of the ...

A new study of brain activity patterns in people doing a memory task finds that the way we make inferences -- finding hidden connections between different experiences -- changes dramatically as we age ...