Boris Stern's conversation with Armen Mulkidzhanyan about the origin, spread of life and how bacteria learned to use oxygenRecording and editing by Alexey KudrDear viewers, subscribers of our channel, readers of the newspaper Troitsky Variant - Science. If you like what we do and you want to support us, please use this link http://trv-science.ru/vmeste/. Monthly, albeit insignificant, donations are especially important.Thanks in advance.