With the help of researcher Sabudo Boraru (right), anthropologist Chris Campisano, of Arizona State University, takes samples from the fossil-filled Ledi-Geraru project area in Ethiopia. The jawbone was found nearby. Courtesy of J Ramón Arrowsmith hide caption

itoggle caption Courtesy of J Ramón Arrowsmith

Science

Jaw Fossil In Ethiopia Likely Oldest Ever Found In Human Line

The 2.8 million-year-old bone may mark the first human branch in the primate family tree. It wasn't just a bigger brain that marked the shift, scientists say. It was also big changes in the mouth.

Eating at your desk day after day? Research suggests "staying inside, in the same location, is really detrimental to creative thinking," says management professor Kimberly Elsbach. 145/Tom Grill/Ocean/Corbis hide caption

itoggle caption 145/Tom Grill/Ocean/Corbis

The Salt

We're Not Taking Enough Lunch Breaks. Why That's Bad For Business

Research shows that only 1 in 5 five people take a break and leave their desks to eat. Most workers are simply eating at their desks. But creativity can take a big hit without a change of scenery.

Latoya Watson of Washington, D.C., cheers during a rally outside the Supreme Court on Wednesday, when the justices heard arguments in King v. Burwell. Andrew Harnik/AP hide caption

itoggle caption Andrew Harnik/AP

Shots - Health News

State Lawmakers Keep Busy While Supreme Court Weighs Obamacare

Bills concerning health care exchanges are pending in at least 16 states. The measures are split pretty evenly between ones that seek to bolster the exchanges and those that would impede or bar them.

Caregivers who are trained in responding to anxiety or aggression in people with dementia can effectively reduce those symptoms, studies find. iStockphoto hide caption

itoggle caption iStockphoto

Shots - Health News

Behavioral Therapy Helps More Than Drugs For Dementia Patients

Non-drug approaches for treating aggression and other symptoms of dementia work better than antipsychotic drugs, a study finds, and are less risky. That includes teaching caregivers how to respond.

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.

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.

It took just 18 minutes for the Lusitania to sink after it was hit by a German torpedo. Charles Dixon/Hulton Archive/Getty Images hide caption

itoggle caption Charles Dixon/Hulton Archive/Getty Images

First Reads

Exclusive First Read: Erik Larson's 'Dead Wake'

The Devil in the White City author Erik Larson turns his attention to the sinking of the liner Lusitania almost 100 years ago — a turning point that helped bring the United States into World War I.

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.

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.

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