October 2, 2014
MP3 FILE / 53 MINUTES / 55 MB
Primordial gravitational waves turn to dust and why this is good news for inflation theory; Julian Barbour's model in which the big bang created twin mirror universes, solves the arrow of time problem; & Paul Davies on his physics-based evolutionary-model of cancer, which recommends oxygen treatment and immunotherapy.
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Individual Stories
BICEP2 v Planck v Inflation theory
MP3 FILE / 14 MINUTES / 14 MB
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.
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One Past, Two Futures: A Gravitational Origin for the Arrow of Time
MP3 FILE / 19 MINUTES / 19 MB
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)
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Physics of Cancer
MP3 FILE / 21 MINUTES / 20 MB
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.)
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Paul Davies on Cancer, Uncut
MP3 FILE / 41 MINUTES / 39 MB
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.
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