KPFA Explorations is an hour-long syndicated radio program focused on science, technology, politics, and the environment, hosted by Dr. Michio Kaku KPFA. The show covers topics like black holes, time travel, higher dimensions, string theory, wormholes, the search for extraterrestrial life, dark matter and dark energy, the future of space travel, genetic engineering, the aging process, the future of medicine, artificial intelligence, and the future of computers and robots