Physicist Brian Greene discusses the historical quest for a grand unified theory in physics which will reconcile quantum physics and general relativity, and considers the possibility that superstring theory may bring an end to that search. Based on his book of the same name.

Einstein's idea dramatizes how Einstein arrived at his 1905 discovery that the realms of matter and energy are linked. Reveals the roots of this breakthrough in the human stories of scientists Michael Farady, Antoine Lavoisier and Lise Maitner, whose innovative thinking across four centuries helped lead to E=mc², and ultimately unleashed the power of the atom. Explore space, the quest for life looks at scientific discoveries on Earth and how they...

Germany 1967: murderous bomb attacks, the threat of terrorism, and the fear of the enemy inside are rocking the very foundations of the still-fragile German democracy. The radicalized children of the Nazi generation, led by Andreas Baader, Ulrike Meinhof, and Gudrun Ensslin, are fighting a violent war against what they perceive as the new face of fascism. The man who understands them is also their hunter, the head of the German police force, Horst...