For more on synesthesia, follow these links:
The Synesthesia Battery
Want to know if you are a synesthete? Take the tests on The Synesthesia Battery to find out.
Synesthesia on NOVA Science now
A profile of the synesthesia research in the Eagleman lab.
Synesthesia on Discovery Channel
For a quick overview of synesthesia, see this 6 minute video with Dr. Eagleman on the Discovery Channel.
Synesthesia on Research Channel
For a slightly longer overview, see this 8 minute video with Dr. Eagleman on the Research Channel.
Lecture on Synesthesia
For a more complete view of the phenomenon, see David Eagleman's 1 hour talk at the University of Sydney.

Our ignorance of the cosmos is too vast to commit to atheism, and yet we know too much to commit to a particular religion. A third position, agnosticism, is often an uninteresting stance in which a person simply questions whether his traditional religious story is true or not true. I call myself a possibilian. Find out why.
New Scientist magazine features David Eagleman's time perception research as their cover story.

Read David's Op-Ed piece in The New York Times regarding time and Obama's withdrawal plan.
Listen to British rocker Jarvis Cocker read the story "Descent of Species" from Sum. He is one of the dozens of terrific voices who read for the audio book.