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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
53:46
NOVA
Looking for Life on Mars
NASA launches its most ambitious search yet for traces of ancient life on Mars.
Episode
53:26
NOVA
Secrets in our DNA
What can DNA testing companies reveal about our ancestry and health, and at what risk?
Episode
19:13
NOVA
CRISPR Gene-Editing Reality Check
CRISPR gene-editing technology is advancing quickly. What can it do now—and in the future?
Episode
53:17
NOVA
Beyond the Elements: Life
Discover the fascinating chemistry that makes our world and everything in it—including us.
Episode
53:17
NOVA
Beyond the Elements: Indestructible
Discover the fascinating chemistry that makes our world and everything in it—including us.
Episode
53:17
NOVA
Beyond the Elements: Reactions
Discover the fascinating chemistry that makes our world and everything in it—including us.
Episode
53:31
NOVA
Can We Cool the Planet?
Scientists look to geoengineering and other methods to cool the planet.
Episode
54:03
NOVA
Touching the Asteroid
Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.