Well before we understand how brains work, we may find ourselves able to digitally copy the brain's structure and able to download the conscious mind into a computer. What are the possibilities and challenges?
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.
I recently posted about my scanning of a 3,000 year old mummy, Neskhons. Now, by analyzing the data in several different ranges of electron density, I've found something unexpected: inside the mummy's torso are 4 small funerary amulets.
The secret life of the lab
Want to know more about the inner workings of a neuroscience lab? Watch a video profile of David and his students on NOVA Science Now.
NY Times Oped
Read David's Op-Ed piece in The New York Times regarding time and Obama's withdrawal plan.