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Scientific American, November 2011

Narrated by: Mark Moran
Length: 1 hr and 50 mins
4 out of 5 stars (4 ratings)

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Publisher's Summary

In this issue:

"The First Americans": Humans colonized the New World earlier than previously thought – a revelation that is forcing scientists to rethink long-standing ideas.

"Digging Mars": The Mars Phoenix mission has revived hopes that the Red Planet may be habitable.

"Can We Feed the World and Sustain the Planet?": A five-step global plan could double food production while greatly reducing environmental damage.

"The Wipeout Gene": A new breed of genetically modified mosquitoes carries a gene that cripples its own offspring.

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  • ©2011 Scientific American

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