It was in an interview on an episode of radiolab: http://www.radiolab.org/story/91712-limits-of-science/ http://www.radiolab.org/story/91712-limits-of-science/

It was in an interview on an episode of radiolab: http://www.radiolab.org/story/91712-limits-of-science/ http://www.radiolab.org/story/91712-limits-of-science/ There aren't many details. I believe the scientist who said it is Dr. Gurol Suel, from that radiolab page.