Most scientists declare empirical falsifiability -- the notion that a theory may be proven right or wrong via scientific investigation -- to be the core principle of science. Others, such as string theorists, think science should move beyond those boundaries. Is empiricism an unnecessary straight jacket? Is “post-empirical science” an oxymoron? Robert Lamb and Joe McCormick explore in this episode of the Stuff to Blow Your Mind podcast. (Originally published Sept. 15, 2016)