![[Left] "Santa Barbara Brown Berets aka Moratorium in Maravilla" 1970. | Photo: Oscar Castillo || [Right] "Not One More (Girl with Beret)" 2016. | Photo: Rafael Cardenas](https://kcet.brightspotcdn.com/dims4/default/f25d861/2147483647/strip/true/crop/1285x723+1+0/resize/992x558!/quality/90/?url=http%3A%2F%2Fkcet-brightspot.s3.amazonaws.com%2Flegacy%2Fsites%2Fkl%2Ffiles%2Fthumbnails%2Fimage%2Ffeatured_oscar_castillo_and_rafael_cardenas_photos_brown_be.jpg)
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Full Episodes
Season
Episode
20:37
Nova
Search Engine Breakdown
Two leading researchers investigate racial bias built into widely used search engines.
Episode
53:28
Nova
Particles Unknown
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
Episode
53:32
Nova
The Cannabis Question
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
Episode
53:23
Nova
Bat Superpowers
Could the source of the deadliest viruses hold the secret to a healthier and longer life?
Episode
53:12
Nova
Ship That Changed the World
As we excavate a 500-year-old wreck, learn the secrets behind history’s great ships.
Episode
53:06
Nova
Great Electric Airplane Race
Will electric planes replace polluting airliners and lead to flying taxis in our cities?