UC Berkeley UC Berkeley

Conservative author and pundit Ann Coulter delivers remarks to the Conservative Political Action Conference in 2012 in Washington, DC. Chip Somodevilla/Getty Images hide caption

toggle caption
Chip Somodevilla/Getty Images

The laces on the left are tied in a strong knot that lies horizontally. The laces on the right are tied in a knot that makes the bow lie vertically and which, according to new research, can come untied more easily. Meredith Rizzo/NPR hide caption

toggle caption
Meredith Rizzo/NPR

Untangling The Mystery Of Why Shoelaces Come Untied

  • Download
  • <iframe src="https://www.npr.org/player/embed/523636317/524301385" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The iconic clock tower and library at University of California, Berkeley. The University of California system, especially Berkeley, has a stormy history around free speech and spying by the federal government. John Morgan/Flickr hide caption

toggle caption
John Morgan/Flickr

At Calif. Campuses, A Test For Free Speech, Privacy And Cybersecurity

  • Download
  • <iframe src="https://www.npr.org/player/embed/468963220/470119984" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

In a project called "Natural Frequencies," the bells in the Campanile on the University of California, Berkeley campus were recently programmed to play a score composed in real time by the seismic shifts taking place along the Hayward fault. Eric Risberg/AP hide caption

toggle caption
Eric Risberg/AP

Shake, Rattle And Toll: Berkeley's Bells Play Sounds Of Earth

  • Download
  • <iframe src="https://www.npr.org/player/embed/384941475/385000803" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript