saved by19 people, first byMaggie Tsai on 2006-03-02, last bytsenapathy thirugnanasambandam on 2008-07-31
A Theory of Everything?
In this excerpt from his book The Elegant Universe, Brian Greene explains why string theory might hold the key to unifying the four forces of nature.
A Conversation
with Brian Greene 
The series host says we may not be smart enough to ever fully understand the universe, he'd like to know now if string theory is wrong, and more.
Viewpoints on
String Theory 
Leading physicists offer insights—and sometimes conflicting opinions—on the nature and meaning of string theory.
Imagining Other Dimensions
Our brains may not be equipped to picture ten spatial dimensions, but see if you can get to at least four here.