Some physicists and philosophers would say no, time is an illusion; time is not real. How can that be? Is our sense of time all wrong?
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?
Communicating science to the public can take time away from a busy research career. So why should scientists do it? I offer a manifesto of six reasons in the Journal of Neuroscience.
I hosted a BBC radio documentary to explore the imagination of one of Italy's foremost writers, Italo Calvino.
Read a Q&A with David in New Scientist to find out his ideas and advice to young scientists.
Read David's Op-Ed piece in The New York Times regarding time and Obama's withdrawal plan.
Wednesday is Indigo Blue: Discovering the Brain of Synesthesia has been awarded the Montaigne Medal, Eric Hoffer Award for Books.
Listen to David discussing Sum -- and actor Jeffrey Tambor reading stories from the book -- on WNYC's Radiolab.