World Topics

Cured Costa Rican seen as celebrity

On a warm spring day, Floribeth Mora was in her bed waiting to die from a seemingly inoperable brain aneurysm when her gaze fell upon a photograph of Pope John Paul II in a newspaper. “Stand up,” Mora recalled the image of the pope saying to her. “Don’t be afraid.” ...

Small step is giant leap for NASA's Robonaut

Apr 20, 2014

Small step is giant leap for NASA's Robonaut

Robonaut, the first out-of-this-world humanoid, is finally getting its space legs. For three years, Robonaut has had to manage from the waist up. This new pair of legs means the experimental robot — now stuck on a pedestal — is going mobile at the ...

Apr 20, 2014

Preglacial terrain found in Greenland

U.S. geologists have uncovered a preglacial tundra landscape preserved for 2.7 million years far below the Greenland ice sheet. Glaciers scrape everything off any given plot of land — even the top layer of bedrock — so scientists expressed great surprise that they had ...

Apr 20, 2014

Down syndrome disrupts many genes

The extra copy of chromosome 21 that causes Down syndrome throws a wrench into the workings of all the other chromosomes as well, according to a study that surprised its authors. Using data from a set of otherwise identical twins, one with the condition ...

U.S. dieters look beyond calories

Apr 19, 2014

U.S. dieters look beyond calories

by Candice Choi

Obsessing over calories alone has left U.S. dieters with an empty feeling. The calorie counting that defined dieting for so long is giving way to other considerations, like the promise of more fiber or natural ingredients. That is chipping away at the popularity of ...

Apr 19, 2014

Forecasters issue alert on El Nino

by Seth Borenstein

U.S. federal forecasters predict a warming of the central Pacific Ocean this year that will change weather worldwide. The warming, called an El Nino, can mean an even hotter year coming up and billions of dollars in losses for food crops. Australia and South ...

Apr 19, 2014

NASA probe slams into moon surface

NASA’s robotic moon explorer, LADEE, is no more. Flight controllers confirmed that the orbiting spacecraft crashed into the back side of the moon Friday as planned, avoiding precious historic artifacts left behind by moonwalkers. LADEE’s annihilation occurred just three days after it survived a ...

Tiny nuclear plants called key to future

| Apr 18, 2014

Tiny nuclear plants called key to future

Small underground nuclear power plants that could be cheaper to build than their behemoth counterparts may herald the future for an energy industry under intense scrutiny since the Fukushima disaster started, the incoming head of the Nuclear Energy Agency says. The modular plants could ...

Astronomers spot planet most like Earth

Apr 18, 2014

Astronomers spot planet most like Earth

Astronomers have discovered what they say is the planet most like Earth yet detected — a distant, rocky world that is similar in size to ours and exists in the Goldilocks zone, where it is not too hot and not too cold for life. ...