Memo From Mexico City: Mexico Anticrime Plan Challenged by Unabated Violence

Dario Lopez-Mills/Associated PressA man guarding a roadblock at the entrance to Cruz Quemada, a rural town near Ayutla in the state of Guerrero. A recent spate of violence in the area has led communities to take up arms. MEXICO CITY — The new Mexican president, Enrique Peña Nieto, campaigned on a promise to reduce the violence spawned by the drug trade and organized crime, and to shift the talk about...

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Disruptions: Disruptions: 3-D Printing Is on the Fast Track

Will the future be printed in 3-D?At first glance, looking at past predictions about the future of technology, prognosticators got a whole lot wrong. The Web is a garbage dump of inaccurate guesses about the year 2000, 2010 and beyond. Flying cars, robotic maids and jet packs still are nowhere near a reality.Yet the prediction that 3-D printers will become a part of our daily lives is happening much...

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DNA Analysis, More Accessible Than Ever, Opens New Doors

Matt Roth for The New York TimesSam Bosley of Frederick, Md., going shopping with his daughter, Lillian, 13, who has a malformed brain and severe developmental delays, seizures and vision problems. More Photos »Debra Sukin and her husband were determined to take no chances with her second pregnancy. Their first child, Jacob, who had a serious genetic disorder, did not babble when he was a year old...

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DNA Analysis, More Accessible Than Ever, Opens New Doors

Matt Roth for The New York TimesSam Bosley of Frederick, Md., going shopping with his daughter, Lillian, 13, who has a malformed brain and severe developmental delays, seizures and vision problems. More Photos »Debra Sukin and her husband were determined to take no chances with her second pregnancy. Their first child, Jacob, who had a serious genetic disorder, did not babble when he was a year old...

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DealBook: Einhorn Has Edge in Dispute With Apple

In the battle between Apple and David Einhorn, score a point for the hedge fund manager.A federal judge said on Tuesday that he was leaning toward Mr. Einhorn’s contention in a lawsuit that the iPad maker violated securities regulations by improperly bundling several shareholder proposals into one matter.The lawsuit by Mr. Einhorn’s Greenlight Capital, filed in Federal District Court in Manhattan,...

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As Assad Holds Firm, Obama Could Revisit Arms Policy

WASHINGTON — When President Obama rebuffed four of his top national security officials who wanted to arm the rebels in Syria last fall, it put an end to a months-long debate over how aggressively Washington should respond to the strife there that has now left nearly 70,000 dead. ReutersA Free Syrian Army member smokes a cigarette inside a factory producing improvised mortar shells. ...

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The Media Equation: In Omaha Manhole Fire Photo, Logging Off in Search of Some Clues

Stephanie SandsThis image, which was taken after an underground fire cut power in half of downtown Omaha, captivated the Web last month. When photographs of spontaneous events miraculously appear on the Web, it generally prompts two responses: wonder and skepticism. Matt Miller/Omaha World-HeraldMatthew Hansen, a columnist at The Omaha World-Herald, showed how to follow a trail. ...

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Global Update: New Polio Strains That Protect Vaccine Factory Workers

Scientists have created new strains of polio intended to protect workers in factories that make polio vaccine. The new strains have the same ability to invoke an immune reaction as the live viruses now used to make vaccine do, but there is virtually no risk anyone will get polio if one of the new strains somehow escapes. The research team, at the State University of New York at Stonybrook,...

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Well: Susan Love's Illness Gives New Focus to Her Cause

During a talk last spring in San Francisco, Dr. Susan Love, the well-known breast cancer book author and patient advocate, chided the research establishment for ignoring the needs of people with cancer. “The only difference between a researcher and a patient is a diagnosis,” she told the crowd. “We’re all patients.”It was an eerily prescient lecture. Less than two months later, Dr. Love was given...

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The Media Equation: In Omaha Manhole Fire Photo, Logging Off in Search of Some Clues

Stephanie SandsThis image, which was taken after an underground fire cut power in half of downtown Omaha, captivated the Web last month. When photographs of spontaneous events miraculously appear on the Web, it generally prompts two responses: wonder and skepticism. Matt Miller/Omaha World-HeraldMatthew Hansen, a columnist at The Omaha World-Herald, showed how to follow a trail. ...

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