David Morrison is the Senior Scientist at the NASA Astrobiology Institute, where he participates in a variety of research programs in astrobiology -- the study of the living universe. Dr. Morrison received his Ph.D. in astronomy from Harvard University, and until he joined NASA he was Professor of Astronomy at the University of Hawaii. Internationally known for his research on the solar system, Dr. Morrison is the author of more than 135 technical papers and has published a dozen books.
Among his honors is a NASA Outstanding Leadership medal for his contributions to dealing with the hazard of asteroid and comet impacts. He is currently President of the International Astronomical Union working group on near-earth asteroids, and asteroid 2410 Morrison is named in his honor.
Science writer David Weiner discussed neuroscience, psychology, and positive thinking, and also offered analysis of the psychopathic mind. Psychopaths, he explained, don't feel guilt or empathy-- biologically those circuits aren't there, and thus they can't be "fixed." He estimated that 1% of the population is psychopathic but that the threat of prison and prosecution deters most... More »
Physicist James McCanney and NASA astrobiologist Dr. David Morrison debated the merits of Immanuel Velikovsky's theories of a chaotic universe, which detail how the planet Venus passed by Earth before it came to its current position.
Professor of Cybernetics, Kevin Warwick discussed his experiments in becoming a "cyborg," as well as the inherent dangers in the rise of intelligent machines. In his 2002 surgery, he had an implant "fired into his nerve fiber," which remained there for three months while various tests were conducted, he said.... More »
Historian Glenn Kimball, fresh from a trip to Egypt, discussed his research there investigating several tombs and sites. He spent time with Zahi Hawass who told him that only 30% of possible excavations of Giza Plateau had been uncovered, and that the "most precious secrets are in the future," waiting to be revealed.