NPR Staff

Should the president of the Navajo Nation be required to speak fluent Navajo?

The Navajo Nation held a referendum on that question this week, and the majority voted no.

The vote was victory for supporters of a Navajo presidential candidate who was disqualified last fall because he didn't speak the language fluently. The next Navajo Nation election is in 2018.

In Angola, a civil war that raged for decades has left lingering, and dangerous, reminders of the violence across the countryside. Long since the worst of the fighting ended in 2002, land mines continue to claim lives — and not just those of humans.

Even as the elephant population there saw a replenishment in numbers following the war, many of the mammoth animals were being killed by leftover land mines, as well.

Advertising is the basic business model of the Internet. It's one reason we can view online content free of charge.

Millions of Web surfers already download software to block ads online, and that number is growing. Soon, Apple could be making mobile ad blocking easier.

In recent years, People for the Ethical Treatment of Animals has waged a protest campaign against SeaWorld, saying that the U.S. theme parks' treatment of trained orcas is cruel. Now, PETA says it has identified a SeaWorld "agent" in its midst.

Flowers, bugs and bees: Stephen Buchmann wanted to study them all when he was a kid.

"I never grew out of my bug-and-dinosaur phase," he tells NPR's Arun Rath. "You know, since about the third grade, I decided I wanted to chase insects, especially bees."

These days, he's living that dream. As a pollination ecologist, he's now taking a particular interest in how flowers attract insects. In his new book, The Reason for Flowers, he looks at more than just the biology of flowers — he dives into the ways they've laid down roots in human history and culture, too.

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