In the cricket world, the quality of one's voice isn't as important as you might think...
What is velopharyngeal incompetence and how does it cause the voice to sound nasal, on today's Moment of Science.
Shout "HELLO" between two cliffs and you'll hear echoes as sound waves bounce back and forth. But how do echoes really work? Find out on this Moment of Science.
Have you ever wondered how simple megaphones like cupping your hands around your mouth amplify your voice so well?
Can you tell if someone is smiling even if you aren't looking at them, but just hearing their voice?