Guest speaker: Ken Adams Today we get to hear another of the Palenque Norte Lectures that were held at the 2013 Burning Man Festival. This talk features the artist, experimental film maker, micro-publisher, and media developer, Ken Adams, who for many years was a close friend and neighbor of the late Terence McKenna. […]

Sagan's hour-long keynote tribute lecture at the Worlds of Philip Morrison Symposium (Day 2), surveying the Copernican perspective and Morrison's contributions to physics and SETI.