Why do we need a Space Force? Neil deGrasse Tyson & co-host Chuck Nice break down the newest branch of the US military, The Space Force, with Charles Liu, Major General DeAnna Burt and Dr. Moriba Jah. How much of your life is touched by space?
Gaze into the future when Neil Tyson interviews noted futurist and inventor, Ray Kurzweil about artificial intelligence, the human brain, nanotechnology, life extension and biotechnology. Recorded live at the 92nd Street Y “7 Days of Genius” series.