Technology has changed all aspects of our lives, but perhaps underappreciated is the effect technological advances have on sports. On this program, John Greenburg discussed how technology is changing sport.

Plastic debris has become a substantial threats to the oceans in the world. Where does this pollution originate and what can be done to stop it? On this program, Capt. Charles Moore discussed the pollution of the oceans by plastic.

Modern physics may seem remote from our daily lives, yet the discoveries in the field have the potential to change how we view the world. On this program, Lisa Randall discussed how discoveries in modern physics shape the world around us.

The expedition of Vasco Da Gama are often overshadowed by that of Columbus. But, these voyages perhaps more than those of Columbus changed the course of history. On this program, Nigel Cliff discussed how Vasco Da Gama turned the tide in a centuries-old clash of civilizations.

The rapid changes in technology are straining even those dedicated to their development. How can the science of attention change the way we live, learn and think with these new innovations? On this program, Prof. Cathy Davison discussed the brain science of attention.

Digital technology has revolutionized the modern world, but are there downsides to its influence on our personal lives and culture. On this program, Prof. Mark Bauerlein discussed the digital divide.

High blood pressure and hypertension are major health problems, yet in many cases, diet ay be a better treatment than prescription medication. On this program, Marla Heller discussed the DASH diet action plan.

How are explanations of the world developed and how do we sort good and bad explanations? Is there a limit to our knowledge of the world? On this program, Prof. David Deutsch discussed the beginning of infinity.

Quantum mechanics may seem to be an intimidating topic, yet it is fundamental to understanding the everyday world. On this program, Prof. Michael Fayer discussed how quantum theory explains our everyday world.

The Apollo program is a landmark in the history of space exploration and perhaps the most successful mission of the series was Apollo 15. On this program, Ret. Col. Al Worden discussed the space program and Apollo 15.