Will Mankind Destroy Itself? <===

 

 

Just listen to Michio Kaku   It'll  stimulate your brain

 

 Dr. Michio 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.