Skip to main content
Donate

Up Next

Home Sales Paint a Better Fiscal Picture in the U.S.

Home Sales Paint a Better Fiscal Picture in the U.S.

Video
7:15
Are Faces the New Fingerprints?

Are Faces the New Fingerprints?

Video
10:22
More Women As Family Breadwinners Reflects 'Values Shift'

More Women As Family Breadwinners Reflects 'Values Shift'

Video
8:54
Suspected Drone Strike Said to Have Killed Pakistan Taliban

Suspected Drone Strike Said to Have Killed Pakistan Taliban

Video
2:19
The Challenges of Securing the U.S.- Mexico Border

The Challenges of Securing the U.S.- Mexico Border

Video
9:39
Country Music Legend Dolly Parton's New Role: "Book Lady"

Country Music Legend Dolly Parton's New Role: "Book Lady"

Video
5:15
Ricin-Laced Letters Sent to and NYC Mayor and Advocacy Group

Ricin-Laced Letters Sent to and NYC Mayor and Advocacy Group

Video
4:56
A Mother and Daughter Portrait Of Long-Term Care

A Mother and Daughter Portrait Of Long-Term Care

Video
9:56
Chopra Brothers Talk How They Became Americans and Doctors

Chopra Brothers Talk How They Became Americans and Doctors

Video
8:16
How Police Use Robots to Investigate Bomb Threats

How Police Use Robots to Investigate Bomb Threats

Video
2:23
News Wrap: Extreme Weather Whips Areas of the Midwest, West

News Wrap: Extreme Weather Whips Areas of the Midwest, West

Video
3:09
Shields and Brooks on Bachmann's Retirement, Miami Heat

Shields and Brooks on Bachmann's Retirement, Miami Heat

Video
5:23
Back to Show
PBS News Hour

Understanding the Bombs Used at the Boston Marathon

NewsHour science correspondent Miles O'Brien visits the nation's most active explosives testing facility in New Mexico to learn more about what makes a pressure cooker bomb -- like those used at the Boston Marathon -- tick. Investigators often use the center to test theories and find new ways to defend against future attacks.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
June 7, 2025 - PBS News Weekend full episode
24:09
Season 2025 Episode 158
June 7, 2025 - PBS News Weekend full episode
June 7, 2025 - PBS News Weekend full episode
June 6, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 157
June 6, 2025 - PBS News Hour full episode
June 6, 2025 - PBS News Hour full episode
June 5, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 156
June 5, 2025 - PBS News Hour full episode
June 5, 2025 - PBS News Hour full episode
June 4, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 155
June 4, 2025 - PBS News Hour full episode
June 4, 2025 - PBS News Hour full episode
June 3, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 154
June 3, 2025 - PBS News Hour full episode
June 3, 2025 - PBS News Hour full episode
June 2, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 153
June 2, 2025 - PBS News Hour full episode
June 2, 2025 - PBS News Hour full episode
June 1, 2025 - PBS News Weekend full episode
24:09
Season 2025 Episode 152
June 1, 2025 - PBS News Weekend full episode
June 1, 2025 - PBS News Weekend full episode
May 31, 2025 - PBS News Weekend full episode
24:09
Season 2025 Episode 151
May 31, 2025 - PBS News Weekend full episode
May 31, 2025 - PBS News Weekend full episode
May 30, 2025 - PBS News Hour full episode
56:34
Season 2025 Episode 150
May 30, 2025 - PBS News Hour full episode
May 30, 2025 - PBS News Hour full episode
May 29, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 149
May 29, 2025 - PBS News Hour full episode
May 29, 2025 - PBS News Hour full episode
May 28, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 148
May 28, 2025 - PBS News Hour full episode
May 28, 2025 - PBS News Hour full episode
May 27, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 147
May 27, 2025 - PBS News Hour full episode
May 27, 2025 - PBS News Hour full episode
Show more
Active loading indicator