The Cannabis Question

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

Season 48 Episode 11 | 53m 36s | CC

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.

NOVA

Watch more episodes

53:31

NOVA

Ancient Maya Metropolis

Explore great ancient Maya cities and why their inhabitants abandoned them.

53:26

NOVA

Secrets in our DNA

What can DNA testing companies reveal about our ancestry and health, and at what risk?

53:46

NOVA

Looking for Life on Mars

NASA launches its most ambitious search yet for traces of ancient life on Mars.

Major funding for "The Cannabis Question" and the Science & Society Project is provided by the Corporation for Public Broadcasting and others. Funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS viewers. Additional funding is provided by the NOVA Science Trust.

Subscribe to Our Newsletters

Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.

Set Your Preferences >