By San Francisco Chronicle/SFGate on January 26, 2011
X PRIZE Foundation Chairman Peter Diamandis invites Silicon Valley stars to learn about the Wendy Schmidt Oil Cleanup X CHALLENGE.
View the discussion thread.
Drones are helping in the struggle against poachers: https://t.co/ppEDqbQlvE @NBCNewsMACH
Uncovering the green and forested history of Antarctica: View on Google+
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