Building Stuff: Change It!

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 51 Episode 17 | 53m 40s | CC

Humans have been altering Earth’s environment for thousands of years. And now, from electric planes to artificial noses, engineers are inventing new ways to preserve our planet.

NOVA

Watch more episodes

53:40

NOVA

Lost Tombs of Notre Dame

Mysterious bodies are found under one of the world’s most famous cathedrals.

53:31

NOVA

When Whales Could Walk

Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.

53:17

NOVA

Easter Island Origins

New evidence reveals the real story of Easter Island and the builders of its stone heads.

National Corporate funding for NOVA is provided by Carlisle Companies and Viking Cruises. Major funding for NOVA is provided by the NOVA Science Trust and PBS viewers.

Subscribe to Our Newsletters

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

Set Your Preferences >