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S4:E7 Saving Hubble Update/Gangster Birds/Alfredo Quiñones-Hinojosa/How Memory Works
First Aired: August 25, 2009
Get an astronaut's view of the Hubble repair mission, find out why cowbirds are called "gangster birds," meet a Mexican immigrant farmworker-turned-brain surgeon, and learn how neuroscientists are finding ways to erase memories.
