Exploration, for May 6, 2008 - 2:00pm
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Pentagon plans possible attack on Iran.
UCS charges political meddilng in EPA.
Why are some women living shorter lives?
2,000 humans gave rise to the entire human race.
We include NPR commentaries by Dr. Kaku on (a) invisibilty (b) teleportation, and also an interview with Prof. Richard Gott of Princeton on time machines.