Aug. 10, 2012
The Aspen Center for Physics, a mountain retreat for theoretical physicists, turns 50 this year.
Jun. 22, 2012
The universe is full of invisible stuff. Take dark matter--you can't spot it with your eyes, but it outnumbers visible matter five to one!
Jul. 15, 2011
Will Congress cut funding for Hubble’s successor?
Sep. 17, 2010
We'll talk about the mind-boggling idea that stuff we can't see within our visible universe could be causing gravitational effects on visible matter.
Apr. 03, 2009
In this hour, we'll get an update on the very small--particle physics--and the very large--cosmology--and find out how these two fields of study fit together.
AVAILABLE IN ITUNES
Michael Pollan Talks Plants and Food
We are fascinated by them, frightened by them, and can't live without them -- so...
- Surprise: Cockroaches Are Fastidious Groomers!
Why do cockroaches spend so much time cleaning themselves?
- Insects May Be the Taste of the Next Generation, Report Says
Can entomophagy, the eating of insects, help improve the world’s food resources?...
- The Superorganism
Ira talks with eminent biologist Edward O. Wilson and Bert Holldobler about ants...
- Tracking an Amphibious Caterpillar
Several newly-discovered species of caterpillar in Hawaii function equally well ...
BOOKS BY OUR GUESTS
From the Vault
Age of Wonder
Ira talks with Richard Holmes, author of 'The Age of Wonder: How the Romantic Generation Discovered the Beauty and Terror of Science.'