Meteoric impacts are extremely frequent events on the earth, so much so that the next one might completely destroy the planet. On this episode, Gordon L. Dillow discussed these events in his book, Fire in the Sky.

Generic drugs are a ubiquitous part of the pharmaceutical market, but do they deliver the same effects? On this episode, Ms. Katherine Eban discussed problems with generic drug manufacturing.

Creativity and evolution may seem to be two completely different ideas, but what can the theory of evolution teach us about the creative process? On this episode, Dr. Andreas Wagner discussed his book, Life Finds a Way.

Can advances in theoretical math explain fundamental problems in physics and can experimental physics ever test some of these purely mathematical theories? On this episode, Graham Farmelo discussed his book, The Universe Speaks in Numbers.

The bond shared with animals defines much of what makes us human, but how can empathy and shared destinies with animals affect our physical, mental, and societal health? On this episode, Dr. Ayshar Akhtar discussed our symphony with animals?

Walking may be one of the unique aspects of humanity is our ability for bipedal walking. But, how has our modern lifestyle affected this uniquely human ability? On this episode. Antonia Malchik discussed a Walking Life.

Scientific findings are under increasing attack from pseudoscientific views. Why does this persist and what can be done to address this issue? On this episode, Lee C. McIntyre discussed the scientific attitude.

The theory of evolution can be applied to many aspects of human life, not just the genetic. On this episode, David Sloan Wilson discussed this view of life.

The history of the settlement of North America may be more complicated than the classic story of the land bridge. On this episode, Craig Childs discussed the Atlas of a Lost World.

You are what you eat, so the old saying goes. But, can you eat to beat disease? On this episode, Dr. William W. Li discussed eating to beat disease.