Season 48

Video thumbnail: NOVA Search Engine Breakdown

NOVA

Search Engine Breakdown

Two leading researchers investigate racial bias built into widely used search engines.

Search Engine Breakdown

Video thumbnail: NOVA Picture a Scientist

NOVA

Picture a Scientist

Researchers expose longstanding discrimination against women in science.

Picture a Scientist

Video thumbnail: NOVA Looking for Life on Mars

NOVA

Looking for Life on Mars

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

Looking for Life on Mars

Video thumbnail: NOVA Secrets in our DNA

NOVA

Secrets in our DNA

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

Secrets in our DNA