Every winter, as the air sharpens and scarves return to shoulders, an old visitor also makes a reappearance: the flu. It announces itself with fever, aching limbs, and the familiar drip of a runny ...

A revolutionary achievement could pave the way for smaller, more efficient nuclear clocks. Last year, a research team led by UCLA achieved a milestone scientists had pursued for half a century. They s ...

Recent experimental findings suggest that d-amphetamine, a potent central nervous system stimulant, can override learned ...