Wednesday, May 16, 2012 - 10:00pm
Follow Richard Leakey, his family and colleagues as they work to unravel the mysteries of human evolution.
Wednesday, May 9, 2012 - 10:00pm
Take a safe front-row seat to the risky and thrilling art of chasing twisters.
Wednesday, May 9, 2012 - 8:00pm
White lions are among the rarest and most treasured animals in the world. Rarer still is their survival in the wild.
Wednesday, April 25, 2012 - 9:00pm
Gain a greater understanding of our nearest star — one that might help keep our planet from going dark.
Wednesday, April 25, 2012 - 8:00pm
Enter into the lives of the wolves and other wildlife thriving in the “dead zone” around Chernobyl.
Monday, April 23, 2012 - 8:00pm
An operators manual helps keep your car or computer running at peak performance. Earth science can do the same for the planet.
Sunday, April 22, 2012 - 9:00pm
This Earth Day special coincides with the two-year anniversary of the April 20 Deepwater Horizon oil spill, the worst in U.S. History.
Wednesday, April 18, 2012 - 8:00pm
Deep in the untamed heart of Idaho lies the Frank Church - River of No Return Wilderness, part of the largest roadless area left in the lower 48 States.
Wednesday, April 11, 2012 - 9:00pm
In the wake of April 2011’s tornado outbreak, learn how we can protect ourselves and our communities in the future.
Wednesday, April 4, 2012 - 9:00pm
David Pogue spins viewers through the world of weird, extreme chemistry on a quest to unlock the secrets of the elements.
Tuesday, April 3, 2012 - 8:00pm
Learn how the tension between technological achievement and environmental impact hangs over the legacy of Grand Coulee Dam.
Wednesday, March 28, 2012 - 9:00pm
What will it mean when most of us can afford to have the information in our DNA—all six billion chemical letters of it—read, stored and available for analysis?
Wednesday, March 28, 2012 - 8:00pm
Learn why size matters in the world of whales.
Monday, March 26, 2012 - 9:00pm
Trace the remarkable ability of Australian bushfire victims to bounce back and the environment’s extraordinary capacity for healing.
Friday, March 23, 2012 - 7:00pm
For two centuries, American whale oil lit the world - powering the start of the industrial revolution and laying the groundwork for a truly global economy.
Wednesday, March 21, 2012 - 10:00pm
Pleasure is vital for our survival - without it we wouldn't eat or have sex, and would soon die out as a species. But how does pleasure work and what gives us the most pleasure in life?
Monday, March 19, 2012 - 8:00pm
WXXI captures the making of the 2011 Rochester Institute of Technology (RIT) Big Shot, and shares stories from past years of this photography project.
Monday, March 12, 2012 - 8:00pm
By analyzing DNA from people in all regions of the world, geneticist Spencer Wells has concluded that all humans alive today are descended from a single man who lived in Africa around 60,000 years ago. Of course, not everyone agrees with him.
Monday, March 12, 2012 - 6:00pm
Tune in as Nature examines amazing creatures and their astonishing lives.
Thursday, February 23, 2012 - 7:30pm
Before we went to the Moon, George Ellery Hale took us to the stars. This is the story of America’s first journey into space.