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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.
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November 28, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 332
November 28, 2025 - PBS News Hour full episode
November 28, 2025 - PBS News Hour full episode
November 27, 2025 - PBS News Hour full episode
57:46
Season 2025 Episode 331
November 27, 2025 - PBS News Hour full episode
November 27, 2025 - PBS News Hour full episode
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Season 2025 Episode 330
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November 26, 2025 - PBS News Hour full episode
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Season 2025 Episode 329
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November 25, 2025 - PBS News Hour full episode
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Season 2025 Episode 328
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Season 2025 Episode 327
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Season 2025 Episode 326
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Season 2025 Episode 325
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November 21, 2025 - PBS News Hour full episode
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Season 2025 Episode 324
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November 20, 2025 - PBS News Hour full episode
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Season 2025 Episode 323
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November 19, 2025 - PBS News Hour full episode
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Season 2025 Episode 322
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November 18, 2025 - PBS News Hour full episode
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Season 2025 Episode 321
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November 17, 2025 - PBS News Hour full episode
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