Audio is streamed directly from the publisher (podtrac.com) as published in their RSS feed. Play Podcasts does not host this file. Rights-holders can request removal through the copyright & takedown page.
Show Notes
John talks with Steve Kates a.k.a. Dr. Sky about the winter solstice, the mysterious hitchhiker effect and the last universal common ancestor.
Learn more about your ad choices. Visit megaphone.fm/adchoices