Researchers have created a headphone prototype that allows listeners to hear people speaking within a bubble with a programmable radius of 3 to 6 feet. Voices and sounds outside the bubble are quieted ...

In a restaurant or at a party, background noise can make it hard to hear people talking, even up close. But soon we could be wearing headphones that use AI to filter out noise that’s more than a few ...

(CNN) — Plants make popping sounds that are undetectable to the human ear, according to recordings made in a new study — and they make more sounds when thirsty or under other kinds of stress. She said ...