August 21, 2013 It's time to reconsider the grand quest for "unification" in modern physics, says commentator Marcelo Gleiser. Our unrelenting search for symmetry and perfection in the natural world leaves us blind to data that seems to depict an imperfect and asymmetric Universe.
May 2, 2013 Time is special. How we see it helps determine how we see the rest of the Universe. Physicist Lee Smolin has a new book out that says we've been looking at time the wrong way. Adam Frank digs in and offers his own perspective on Smolin's argument.