Photo: #This "baby picture" of the universe, taken by NASA in 2003, was made by capturing microwaves that were released by the Big Bang some 13 billion years ago.

Science facts that sound like science fiction

Broadcast: Midday, 03/16/2006, 12:06 p.m.

Physicists like to theorize about all kinds of far out concepts: parallel universes, dark matter, alien civilizations and even time travel.

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with Bob Collins