Explore Broadcast Segments
17:41
How Do They Actually Store The Declaration Of Independence?
At a live event in Washington, Ira talks to restoration experts about the science of preserving America’s founding documents.
17:31
Finding Purpose In A ‘Wild Life’
In her new book, Dr. Rae Wynn-Grant shares how her lifelong love for the natural world led her to become a nature TV show host.
17:15
Eating More Oysters Helps Us—And The Chesapeake Bay
In the ever-changing and biodiverse Chesapeake Bay, conservation, aquaculture, and food production go hand in hand.
20:07
Researchers Report Cloning Advance for Producing Stem Cells
Through cloning techniques, researchers created a source of embryonic stem cells genetically identical to a patient.
20:36
Insects May Be the Taste of the Next Generation, Report Says
Can entomophagy, the eating of insects, help improve the world’s food resources?
6:02
Desktop Diaries: Daniel Kahneman
A visit with psychologist Daniel Kahneman, who won the Nobel Prize in economic sciences in 2002.
20:37
Resetting the Theory of Time
Physicist Lee Smolin explains his theory of time, and why the future of physics depends on it.
25:53
When Great Scientists Got It Wrong
In Brilliant Blunders, Mario Livio explores colossal errors by science’s greatest minds.