Host Michio Kaku discusses how the OSIRIS-REx probe safely comes back from an asteroid belt with his guest, Greg Stock, an American biophysicist, best-selling author, and biotech entrepreneur. OSIRIS-REx is a NASA asteroid-study and sample-return mission. Its primary mission visited and collected samples from 101955 Bennu, a carbonaceous near-Earth asteroid.
Explorations is an hour-long radio program on science, technology, politics, and the environment. Topics covered include black holes, time travel, higher dimensions, string theory, wormholes, search for extra-terrestrial life, dark matter and dark energy, the future of space travel, genetic engineering, the aging process, the future of medicine, the human body shop, artificial intelligence, the future of computers and robots, as well as topics from science fiction.