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Vincent, Dickson, Alan, Rich, and Kathy review two papers that present evidence for RNA interference as an antiviral immunity mechanism in mammals.
Download TWiV 256 (70 MB .mp3, 96 min)
Dickson - Wildlife Photographers of the Year 2013
Kathy - John Holland's Emerging Infectious Disease lecture (YouTube)
Alan - The worst part is not
Rich - The Universe in a Single Atom by Dalai Lama (Mind and Life Institute)
Vincent - The Truth about T. Rex by Brian Switek