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.

The Making Of
From the initial concept to the finished product, take a detailed look at the creation of one scene from "The Elegant Universe."

A Sense of Scale
Starting at an everyday scale, travel by powers of 100 down into the infinitesimally itsy-bitsy world of strings.

Resonance in Strings
An everyday string and the tiny strings of string theory have a lot in common. It's all in the vibration.

Multidimensional Math
See for yourself why it's a walk in the park to dream up extra dimensions, at least for mathematicians.

Elementary Particles
How do you tell a muon from a gluon? A strange quark from a charm quark? Find out here.             

Smashing Pictures
Explore images from atom smashers that have captured particles in the act of being created or destroyed.

Watch the Program
All three hours of The Elegant Universe are available to watch online here. Watch a Preview

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NOVA News Minute
Watch a news clip related to NOVA's "The Elegant Universe" program.

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