* The biggest scientific breakthroughs of 2013.
* National Geographic picks its favorite images.
* The gender debates of the year.
* Twelve reasons for feminism to be thankful for in the last year.
* Twenty women who drove the culture in 2013.
2014 IN REVIEW: * Looking back: did anyone predict the foreign policy crises of the year ahead of time? * "The 10 Worst Civil Liberties Violations…
"But the real pull of the show wasn't the promise of solving the mystery, it was seeing just how thick and convoluted the mystery became. Listening…
"I don't know what to do with good white people."