Independent. Member-supported.
For the Pacific Northwest.

Independent.
Member-supported.

Spend the 4th of July with OPB!

Join us for powerful storytelling to mark 250 years since the signing of the Declaration of Independence. Stream riveting historical documentaries including Lucy Worsley Investigates and Ken Burns’ The American Revolution and more with the PBS app on your favorite streaming device.

OPB and KMHD events

OPB en Español

The Nobel Prize for physics is awarded for discoveries in quantum mechanical tunneling

By The Associated Press (NPR)

Oct. 7, 2025 3:50 p.m.

📨 Daily news in your inbox

Sign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.

Email

Please leave this field blank

Tags: Science, World

Federal funding for public media is gone. Take action now and protect OPB's independent journalism and essential programs for everyone.

Make a Sustaining contribution now

Manage My Membership

FCC Public Files

FCC Applications

Editorial Policy

Streaming Now

Think Out Loud

Switch Stream: