Astrobiologist and theoretical physicist Sara Imara Walker chats to Logan Chipkin about "assembly theory" which attempts to explain biological evolution in terms of the laws of physics. For an extended version of this conversation, discussing the ambiguities of life vs non-life, visit https://qspace.fqxi.org/podcasts
And the problems of science publishing: Ivan Oransky of Retraction Watch discusses the perils of peer review with Colin Stuart.
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