The FQXi podcast brings you the latest ideas in foundational physics and cosmology—and includes interviews with our members and other leading scientists. It's hosted by Zeeya Merali and Brendan Foster. You can contact us at email@example.com, and follow us on twitter: @FQXi. The podcast is produced by Zeeya, and music is provided by Baltimore-based Diefenbaker.
Astrophysicist Andrew Liddle discusses the new analysis from Planck that suggests that the BICEP2 signal could have been caused by dust, not gravitational waves -- and why if they did pick up gravitational waves, this is bad news for inflation theory.
One Past, Two Futures: A Gravitational Origin for the Arrow of Time
Did the big bang generate twin "Janus" universes growing in different directions in time? Physicist Julian Barbour's new theory could offer a gravitational explanation for for the origin of two equal and opposite arrows of time. (Extended interview)
Cosmologist Paul Davies describes his controversial new model tracing the evolutionary roots of cancer, which suggests that oxygen therapy, diet, and immunotherapy are the best treatments. (Podcast version, short.)
Extended interview: Cosmologist Paul Davies describes his recent role in cancer research, his new atavistic model & the therapies it suggests, and the differences in culture between physics and medical research.