Along with sperm, the in vitro procedure adds fresh mitochondria extracted from less mature cells in the same woman's ovaries. The hope is to revitalize older eggs with these extra "batteries." But the FDA still wants proof that the technique works and is safe. Chris Nickels for NPR hide caption

itoggle caption Chris Nickels for NPR

Shots - Health News

Fertility Clinic Courts Controversy With Treatment That Recharges Eggs

The technique aims to rejuvenate a woman's eggs using mitochondria from cells extracted from her ovaries. The Toronto clinic's first births are due soon, and some doctors are worried about side effects.

U.S. Ambassador to South Korea Mark Lippert leaves Sejong Center for Performing Arts in downtown Seoul, South Korea, after the attack. Yonhap/EPA/Landov hide caption

itoggle caption Yonhap/EPA/Landov

The Two-Way - News Blog

North Korea: Attack On U.S. Ambassador Is 'Deserved Punishment'

Pyongyang said it welcomed the attack on Ambassador Mark Lippert, who was assaulted in Seoul by a knife-wielding political activist who said he opposed joint U.S.-South Korea military exercises.

Amtrak conductor Michael Laubauskas talks on a radio Feb. 19 as his train departs Trenton, N.J., for Washington, D.C. The U.S. House passed an Amtrak funding bill Wednesday that splits Amtrak's high-ridership Northeast Corridor line, which runs from Boston to Washington, from the less profitable part of the system. Mel Evans/AP hide caption

itoggle caption Mel Evans/AP

The Two-Way - News Blog

House Approves Amtrak Funding, Rewrites Rules To Allow Furry Riders

The bill freezes funding at current levels for four years, and lets some pets ride the rails with their owners. It also separates the high-ridership Northeast Corridor from the rest of the system.

Andreas Von Knorre (right), one of two German nationals arrested in Singapore for vandalism, arrives in a police car at the state court on November 22, 2014. He was sentenced to a prison term and caning Thursday. Roslan Rahman/AFP/Getty Images hide caption

itoggle caption Roslan Rahman/AFP/Getty Images

The Two-Way - News Blog

Singapore Court Sentences 2 Germans To Caning And Jail Over Graffiti

The pair were tracked down and arrested in Malaysia last November. For spray-painting graffiti on a commuter train car, they are sentenced to nine months in prison and three strokes from a cane.

Russian opposition leader Boris Nemtsov, who was shot dead last Friday, was one of the most outspoken critics of President Vladimir Putin. No arrests have been made in his killing. Ivan Sekretarev/AP hide caption

itoggle caption Ivan Sekretarev/AP

Parallels - World News

Nemtsov: 'He Directed His Words Against Putin Himself'

Russian journalist Yevgenia Albats, who followed Boris Nemtsov's career for 27 years, says he was one of the few Russian political figures willing to directly criticize President Vladimir Putin.

Young fans of the German national football team drink ice tea in July 2010 as they watch the FIFA World Cup semi-final match Germany vs Spain in an Arabic cafe in Berlin's Neukolln district. The neighborhood has gentrified rapidly in recent years, but many of the white families moving in leave once their children reach school age. Local groups are trying to change that. AFP/AFP/Getty Images hide caption

itoggle caption AFP/AFP/Getty Images

Muslim Identity In Europe

Berlin's Inner-City Schools Make A Grass-Roots Effort At Integration

In parts of the city, racial segregation in schools is often a reality. But small parent-led initiatives — one immigrant-led, one native-led — have been working to change perceptions and enrollment.

Fans and foes of Obamacare jockeyed for position outside the Supreme Court Wednesday. Inside, the justices weighed arguments in the case of King v. Burwell, which challenges a key part of the federal health law. Pete Marovich/UPI/Landov hide caption

itoggle caption Pete Marovich/UPI/Landov

Shots - Health News

Justices Roberts And Kennedy Hold Key Votes In Health Law Case

No telling yet which side will win. But did Justice Anthony Kennedy's mixed signals Wednesday hint that he was leaning toward the administration's view of federal subsidies for health insurance?

Three women, two of them partially veiled, walk past a hijab shop in Paris. The wearing of the veil has been a serious point of contention in France, with the government banning the use of face-covering garments in public places. Miguel Medina/AFP/Getty Images hide caption

itoggle caption Miguel Medina/AFP/Getty Images

Muslim Identity In Europe

Many French Muslims Find Lives Of Integration, Not Separation

Despite a minority suspected of holding extremist views, the vast majority of French Muslims say they feel fully integrated into society. France has the largest number of Muslims in Western Europe.

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