From your garbage to your own physical being. Big Brother is watching you.
Over 40 years ago man first went into space. Ever since ordinary people have dreamt of getting there themselves. But after several false starts, a group of space obsessed entrepreneurs believe the first commercial flights into the final frontier are only a few years away.
Stonehenge is one of the most mysterious prehistoric sites known to us and for centuries its purpose has been the source of intense speculation. Now in our ground-breaking special, British archaeologist Professor Mike Parker Pearson unearths surprising evidence supporting a radical new vision of Stonehenge.
Complete Video - Brian Greene explains why string theory might hold the key to unifying the four forces of nature. More than just a scientific treatise, The Elegant Universe hopes to explain how the Universe works and how we are all connected.
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