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  • Need to Know

Need To Know | A Look at the Universe with Brian Greene | PBS

Duration: 09:24
Program: Need to Know #141
Broadcast Date: Feb. 18, 2011

Theoretical physicist and New York Times best-selling author Brian Greene explains, among other things, how the universe is like a muffin, and why there's actually not one universe at all.



Post Date: February 18, 2011