Sound vibrations leave the singer's mouth. The higher the pitch of the sound, the higher the frequency, or number of vibrations in a given amount of time. The sound enters the microphone, where it is ...

Exploring the biggest questions of our time with the help of the world's greatest thinkers. Host Manoush Zomorodi inspires us to learn more about the world, our communities, and most importantly, ...

This is how the news should sound. Twenty minutes a day, five days a week. Hosted by Michael Barbaro, Rachel Abrams and Natalie Kitroeff, and powered by New York Times journalism. Sign up to get each ...

November 7, 2025 • When people in Maine prisons started getting laptops to use in their cells for online classes and homework, it sparked this new idea. Could they have laptops in their cells to work ...