The field of anesthesiology is opaque to many, even including some of the practitioners. On this episode, Dr. Henry Jay Przybylo discussed the field of anesthesiology.

Often termed the second brain, the gut houses the microbiome, which influences many aspects of our health. On this episode, Dr. Michael Mosley discussed the clever gut.

Our understanding of the universe would be far poorer were it not for the women of the Harvard Observatory. On this episode, Dava Sobel discussed their work in the Glass Universe.

Venom is found throughout nature and the animals that use them serve important ecological roles. On this episode, Ronald Jenner discussed the science of venom.

The PLATO system was a networked computer system that may have spurred the advent of the social networking. On this episode, Brian Dear discussed the history of the PLATO system.

The human need to have pets continues, despite their declining utilitarian value. On this episode, John Bradshaw discussed the animals among us.

Glyphosate, the active ingredient in Round-Up, has proven to be toxic to humans, yet it continues to be marketed. On this episode, Carey Gillam discussed the troubling cover-up of glyphosate.

Humans are now the dominant driver of our planet's change. Scientists call this the anthropocene. On this program, John Kress talks about what it means to live in the human era and the peril and hope of Earth's future.

Modern physics would likely not be the same without the work of Richard Feynman and John Wheeler. On this episode, Prof. Paul Halpern discussed their work in the quantum labyrinth.

Alzheimers disease has become a major issue among the elderly, but how much of the progression of the disease is preventable through lifestyle choices? On this episode, Drs. Dean and Ayesha Sherzai discussed the Alzheimers Solution.