U.S. Vice President Joe Biden and Turkish Prime Minister Binali Yildirim hold a news conference after meeting Aug. 24 in Ankara, Turkey. While the U.S. and Turkey are close allies, they've been at odds on a number of issues, and the meeting was designed to improve the atmosphere. Adem Altan/AFP/Getty Images hide caption

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A Nation Engaged

In A Time Of Middle East Conflict, What's The Role Of U.S. Diplomacy?

The focus has often been on U.S. military action in the Middle East. But diplomacy is also critical. Here's a look at one of America's most important and complicated relationships in the region.

Officials found the toxin microcystin in the blue-green algae present at Discovery Bay, Calif. For people exposed to the toxin, symptoms include dizziness, rashes, fever, vomiting and in more unusual cases, numbness. Lesley McClurg/KQED hide caption

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Environment

Poisonous Algae Blooms Threaten People, Ecosystems Across U.S.

Serious algae outbreaks have hit more than 20 states this summer. Algae blooms aren't unusual. But the frequency, size and toxicity now are worse than ever, and changes in climate are partly to blame.

When a person places a finger in the slot on the left, the robot uses an algorithm — unpredictable even to its creator — to decide whether to prick the finger with the pin on the end of its arm. Alexander Reben hide caption

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All Tech Considered

A Robot That Harms: When Machines Make Life Or Death Decisions

An artist has designed a robot that purposefully defies Isaac Asimov's law that "a robot may not harm humanity" — to bring urgency to the discussion about self-driving and other smart technology.

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U.S. Vice President Joe Biden and Turkish Prime Minister Binali Yildirim hold a news conference after meeting Aug. 24 in Ankara, Turkey. While the U.S. and Turkey are close allies, they've been at odds on a number of issues, and the meeting was designed to improve the atmosphere. Adem Altan/AFP/Getty Images hide caption

toggle caption Adem Altan/AFP/Getty Images

In A Time Of Middle East Conflict, What's The Role Of U.S. Diplomacy?

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Mylan, the maker of EpiPen, says it will sell a generic version for $300 for a two-pack, a price that consumer advocates say is still too high. The device is used to treat severe allergic reactions. Daniel Acker/Bloomberg via Getty Images hide caption

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Maker Of EpiPen To Sell Generic Version For Half The Price

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Officials found the toxin microcystin in the blue-green algae present at Discovery Bay, Calif. For people exposed to the toxin, symptoms include dizziness, rashes, fever, vomiting and in more unusual cases, numbness. Lesley McClurg/KQED hide caption

toggle caption Lesley McClurg/KQED

Poisonous Algae Blooms Threaten People, Ecosystems Across U.S.

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