Dr. Michio Kaku hosts the live science radio talk show "Science Fantastic," which airs nationally. It's also takes live listener phone calls, so listeners are invited to call during the show and ask questions on national radio. Topics that covered on the show include black holes, time travel, higher dimensions, string theory, wormholes, search for extra-terrestial 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.

Dr. Kaku is a theoretical physicist, best-selling author, and popularizer of science. He's the co-founder of string field theory (a branch of string theory), and continues Einstein's search to unite the four fundamental forces of nature into one unified theory.