2013 08 16 Environmental Enrichment Andrew Murray Ray Peat (transcript) - Ray-Peat/interview GitHub Wiki
[2013-08-16 Environmental Enrichment - Andrew Murray + Ray Peat] (https://www.youtube.com/watch?v=e-KbpmJp1Ww)
[Start] (https://www.youtube.com/watch?v=e-KbpmJp1Ww#t=1m23s)