Art Bell discusses a Reuters report on a mysterious radio signal detected three times by the Arecibo telescope at the hydrogen frequency of 1.420 gigahertz, a potential marker for extraterrestrial communication. He also covers NIDS research on silent black triangle craft spotted over American highways and cities, a recurring crop circle in Tennessee grass, and a UFO debris fragment collected by police in Brazil. Rupert Sheldrake, Cambridge-trained biochemist and author of "The Sense of Being… Full show notes & guests: https://artbellarchive.org/episode/september-5-2004-unusual-perceptions-dr-rupert-sheldrake
