Host Dr Michio Kaku speaks with Dr. David Archer on the topic of Global Warming

Dr. Michio Kaku speaks with Dr. Robert Zubrin on the topic of going to mars. 

Host Dr. Michio Kaku speaks with Dr. Seth Shostak on the topic of searching for ET in space 

Host Dr Michio Kaku speaks with Dr Greg Stock on the topic of Genetic Engineering People