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In Pictures: Space photos of the day 08/31

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In Pictures: Space photos of the day 08/31
Cool Astronomy
How do we really know how old the universe is?

Once you figure out how fast distant galaxies are moving and how far away they are, then you can calculate when the Big Bang occurred.
The hunt for astronomical gold in familiar phenomena

Column: Especially when it comes to outer space, there's a lot to be learned from reexamining old science.

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Focus
Next week's Wisconsin recall: a test drive of themes for Election 2012

Wisconsin recall election between Gov. Scott Walker (R) and Tom Barrett (D) enters its last furious week. It is a proving ground for the themes and players of the national election in November, analysts say.
Decoder Wire: Mitt Romney has won the nomination. What next?
10 voices for change in Saudi Arabia
Ambassador McFaul, driver of US-Russia 'reset,' becomes his own obstacle
Decoder Wire: Obama honors Presidential Medal of Freedom winners: Who's eligible? (+video)

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Mae Azango has gone undercover to report on female circumcision, a rite of the Sande society in Liberia that is performed on young girls.

Mae Azango exposed a secret ritual in Liberia, putting her life in danger

When journalist Mae Azango wrote about a secret women's circumcision ritual in Liberia, she received death threats.