Nearly a third of US teenagers say they use AI chatbots daily, a new study finds, shedding light on how young people are embracing a technology that’s raised critical safety concerns around mental ...

Optical modulators typically rely on weak nonlinear light–matter interactions to modulate light with light. But using surface plasmons to excite quantum dots, researchers at the California Institute ...

Getting a cold is more common in winter, and there's solid science behind it. While cold weather itself doesn't cause infections, it creates the perfect environment for viruses to thrive and weakens ...