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12:30
In 1963, Rachel Carson’s Silent Spring sparked a government investigation into pesticides
2:41
The Boston subway system is one of our nation’s oldest startup success stories.
2:40
Original footage of Ruby Ridge from the U.S. Marshals of the Weaver's cottage.
2:12
The flight deck of the USS Kirk could only fit one helicopter at a time. Premieres 4/28
2:20
Soldiers like Dam Pham were in peril when the North Vietnamese entered Saigon. Airs 4/28.
2:59
In 1975 Richard Armitage was a special forces advisor in Saigon. Premieres 4/28 on PBS
11:04
Watch an extended clip from "Last Days in Vietnam." Premieres 4/28 on PBS.
1:46
Journalist Jim Laurie recounts the looting in Saigon after US soldiers left. Airs 4/28.
0:35
Tesla's alternating current transformed life in the 20th century. Premieres 10/18 on PBS.
![Change, Not Charity: The Americans with Disabilities Act [ASL]](https://kcet.brightspotcdn.com/dims4/default/8e2ed01/2147483647/strip/true/crop/1920x1080+0+0/resize/1536x864!/format/webp/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FbSTdMUw-asset-mezzanine-16x9-dpR1QjL.jpg)
![Change, Not Charity: The Americans with Disabilities Act [Extended Audio Description]](https://kcet.brightspotcdn.com/dims4/default/b22f6db/2147483647/strip/true/crop/1920x1080+0+0/resize/1536x864!/format/webp/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FjsVue1H-asset-mezzanine-16x9-Q4EMwL0.jpg)
