Letters from an Astrophysicist

How To: Absurd Scientific Advice for Common Real-World Problems

The Science of Star Trek: Star Talk Radio

Stuff Matters: The Strange Stories of the Marvellous Materials that Shape Our Man-made World

Space Spin-Offs: Star Talk Radio

For the Love of Physics: From the End of the Rainbow to the Edge of Time---A Journey Through the Wonders of Physics

The Search for Aliens: Star Talk Radio

What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions

Summer Skies: Star Talk Radio

The World as I See It

Travels in Time: Star Talk Radio

The Science Of Discworld II: The Globe

A Universe of Inspiration: Star Talk Radio

The Problem of Increasing Human Energy

Telescopes that Rocked Our World: Star Talk Radio

Science of Discworld III: Darwin's Watch

Exciting Times for Science: Star Talk Radio

The Science of Discworld IV: Judgement Day

Cosmic Quackery: with special guest: The Amazing Randi

Ideas and Opinions