Women only got top billing in 37 percent of medical studies published in leading journals over the past two decades. Tom Werner/Getty Images hide caption
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Who will check the study results if they aren't made public? Simone Golob/Corbis hide caption
The Dzungar army surrenders to Manchu officers of the Qing Dynasty in 1759 in the Ili Valley, now part of China's Xinjiang region, in this painting made several years later by Chinese and Jesuit missionary artists. Wikimedia Commons hide caption
A rare moment of gender parity in philosophy: Simone de Beauvoir and Jean-Paul Sartre at a Paris cafe in May 1970. STF/AFP/Getty Images hide caption
A still from Texas Chainsaw Massacre: The Beginning. Apparently, the 2006 film was a parable about class, power and food behaviors. Van Redin/AP hide caption