Sound has a speed limit. Under normal circumstances, its waves can travel no faster than about 36 kilometers per second, physicists propose October 9 in Science Advances. Sound zips along at different ...

In 1986, when he was a mere prince, King Charles, Britain’s eco-minded monarch, told a television interviewer that it was important to talk to one’s plants. He was widely mocked. But that piece of ...

Recent research highlights how sound—from music to birdsong—can measurably reduce stress, improve mood, and even support physical health. Studies show benefits ranging from lowered cortisol and heart ...