Prof. Daniel Dennet and Prof. Steven Pinker discuss the limits of science and technology.

Is time travel possible? What do scientists say?

Dr. Shermer of the Skeptics Society talks about science and fakes and how to tell the difference.

Does God exist? What does science say?

Can scientists be recruited by governments to carry our evil tasks?

In this show, we. review the hidden history of accidents involving nuclear weapons.

Pioneer Astronomer: Henrietta Leavitt,

discovered the expanding universe.

Can we retrace the evolution of the human race via DNA technology?

Topic: why did Germany's greatest scientists, like Werner von Braun, become leaders of the Nazi movement?

Evolution of the human mind with Dr. William Calvin and the mystery of the human aging process with Dr. Jay Olshansky. Why do we get old??