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The Cannabis Question Preview

As state-legalized cannabis spreads, NOVA investigates the latest scientific evidence for its potential benefits and risks, and how criminalization has disproportionately harmed communities of color.
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Preview Season 48 Episode 11 Length 00:30 Premiere: 09/29/21

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Season 48 Episodes

Edible Insects
S48 E14 Length 53:28 Premiere Date 10/20/21

Particles Unknown
S48 E12 Length 53:28 Premiere Date 10/06/21

The Cannabis Question
S48 E11 Length 53:36 Premiere Date 09/29/21

Looking for Life on Mars
S48 E2 Length 53:46 Premiere Date 02/24/21

The Cannabis Question Preview
Preview Length 00:30 Premiere Date 09/29/21

What is the Endocannabinoid System?
Clip Length 03:49 Premiere Date 09/29/21

A Veteran's Story of Medical Cannabis Use and Arrest
Clip Length 05:34 Premiere Date 09/29/21

How Some Parents Brought CBD to Market to Treat Epilepsy
Clip Length 07:01 Premiere Date 09/29/21

How Cannabis Affects Teens' Brains
Clip Length 03:28 Premiere Date 09/29/21

Incarcerated for Cannabis: Who's Still in Prison and Why?
Clip Length 03:54 Premiere Date 09/29/21

Cannabis Reverses Brain Aging in Mice
Clip Length 03:51 Premiere Date 09/29/21

CBD Helps Anxiety Patients in a Clinical Trial
Clip Length 03:04 Premiere Date 09/29/21

Why is Researching Cannabis so Hard?
Clip Length 03:39 Premiere Date 09/29/21

Why Misinformation Matters
Clip Length 02:41 Premiere Date 02/11/21

Lingering Symptoms from COVID-19 are “Unprecedented”
Clip Length 05:05 Premiere Date 02/04/21

New COVID-19 Variants Spread More Easily
Clip Length 07:15 Premiere Date 02/04/21

This University Monitors COVID-19 Through Saliva Testing
Clip Length 06:53 Premiere Date 01/15/21

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Stone Age Temple Mystery - S53 E6

New evidence sheds light on Turkey's Gobekli Tepe, the world's oldest temple, and how archaeologists think about the roots of civilization.

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The Planets: Mars - S46 E13

Premiered On: 07/24/2019

Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?

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Pompeii's Secret Underworld - S52 E5

Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.

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Baltimore Bridge Collapse - S52 E6

Explores the March 2024 collapse of the Francis Scott Key Bridge in Baltimore, a busy four-lane bridge that served as a crucial link in the global shipping chain on the U.S. Eastern Seaboard.

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Stone Age Temple Mystery - S53 E6

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Building the Eiffel Tower - S51 E3

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Mammal Origins - S53 E4

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Can Dogs Talk? - S53 E3

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Angkor: Hidden Jungle Empire - S53 E2

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Asteroids: Spark of Life? - S53 E1

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