Science Weekly Extra: Why don't we 'remember' the future?

Sean Carroll , a theoretical physicist at the California Institute of Technology, discusses his new book From Eternity to Here: The Quest for the Ultimate Theory of Time . Post your comments below. Join our Facebook group . Listen back through our archive . Follow the podcast on our Science Weekly Twitter feed and receive updates on all breaking science news stories from Guardian Science . Subscribe free via iTunes to ensure every episode gets delivered. (Here is the non-iTunes URL feed ).