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NPR's Robert Siegel speaks with San Francisco Chronicle reporter Melody Gutierrez about the shortage of special security paper used for birth and death certificates in California.

Once ancient humans learned to cook, starchy foods could have given them a calorie bump that fueled the evolution of the human brain, British researchers argue in a new paper.

After a six-year delay, Medicare proposes to reimburse doctors who hold end-of-life discussions with Medicare patients. The federal program is now soliciting public comments on the idea.

The Republican presidential candidate and former Hewlett-Packard CEO has received much attention — and strong poll numbers — since her performance at a candidate forum in early August.

Many residents on Kos feel sympathy for refugees that have arrived on their shores, but locals also worry that the crisis could destroy the tourist industry which provides the bulk of their income.

Scott Walker was riding high in Iowa until Donald Trump came along. Walker appeared at the Iowa State Fair Monday, where he tried to rekindle the fire with voters, who think he's gotten boring.

Some scientists carry on the tradition of eating the animals or plants they study: leeches, tadpoles, 30,000-year-old bison. Darwin did it first, but why do it at all? Call it all-consuming curiosity.

Octopuses are cool. They can regrow lost arms, change the color of their skin, and are surprisingly smart. Scientists who sequenced the first octopus genome say it's nearly as big as a person's.

A passionate kiss may make you swoon, but many cultures don't do it, anthropologists say. And some cultures find such lip locks downright disgusting.

Some 30,000 African elephants die each year as a result of poaching. Journalist Bryan Christy wanted to see where their tusks were going, so he ordered fake tusks and fitted them with trackers.