 The furry, the feathered, the famous and the edible have dominated government funding for protected species. Now, though, scientists say they're noticing a little more love for the unlovely, including a charisma-less, inedible Delta smelt. But efforts to restore the creature affect areas such as Mendota, Calif., which face water restrictions established to protect the smelt. (Photos by Alison Yin)
Department of Human Behavior
Washington Post staff writer Shankar Vedantam writes about the sociology and psychology behind news events. 
The frozen landscape, dry valleys and active volcanoes that make up Antarctica provide a living laboratory for scientific study and a wondrous journey for those traveling to the ends of the Earth. Experience the continent with this special report.
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Hundreds of embryonic stem cell lines, whose use in the United States had effectively been curtailed by the Bush administration, can be used to study disorders and develop cures if researchers can show the cells were derived using ethical procedures, according to new rules issued by the federal...
The climate bill approved by the House runs to more than 1,400 pages and is swollen with loopholes and giveaways meant to win over un-green industries and wary legislators. Here are answers to some key questions about the bill.
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