Surprisingly the field of particle physics poses a handful of existential threats, not just for us humans, but for everything alive on Earth – and in some cases, the entire universe. Poking around on the frontier of scientific understanding has its risks. (Original score by Point Lobo.) Interviewees: Don Lincoln, Fermi National Laboratory senior experimental particle physicist; Ben Shlaer, University of Auckland cosmologist University of Auckland; Daniel Whiteson, University of California, Irvine astrophysicist; Eric Johnson, University of Oklahoma professor of law