A Universe From Nothing
A great primer by physicist Lawrence Krauss on what we have recently learned about the universe, how it is dominated by "nothing", aka dark matter and dark energy, and why the emergent picture is so bizarre.

Who Are We?
Dr. Jill Bolte Taylor's gripping story of her stroke, caused by hemorrhage to the left hemisphere of her brain, and the unexpected spiritual moment she experienced within that stroke: Nirvana.

The Pale Blue Dot
Carl Sagan on the only home we have ever known (thoughts and images from Cosmos; 3:31 mins)

Lohmann on Carbon Trading
Larry Lohmann on how carbon trading works, why it is an ill-conceived response to Climate Change, and why Bush and Gore are not as far apart in their policy prescriptions as some of us believe.

On Nuclear Energy
A compelling presentation on why nuclear energy must be a significant part of a clean energy solution (by Gwyneth Cravens and Rip Anderson).

Rediscovering Golem
What is life anyway, and how did it really happen upon this world? As a physical phenomenon, is life an accidental and rare occurrence?