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A Reading Teacher Who Lost The Ability To Read

After a reading specialist at a kindergarten outside Chicago had a series of small strokes, she could no longer read. She's using her skills to teach herself how to recognize words again, but those who suffer from alexia face a long road back to literacy.
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Mars Rover Turns 3-Month Mission Into Decade Of Exploration

Opportunity, NASA's Mars Rover, landed on Mars on Jan. 24, 2004. It was supposed to be a three-month mission, but 10 years later the rover is still investigating the red planet and sending data and images back to NASA. Jim Bell, an astronomer at Arizona State University, talks with NPR's Rachel Martin about Opportunity's decade on Mars.
NPR

Pig Virus Continues To Spread, Raising Fears Of Pricier Bacon

Porcine epidemic diarrhea, or PED, virus has killed about 1 million baby pigs in the U.S. since April. Its effect on the pork industry is small so far, but analysts say it could send pork prices rising if it isn't controlled.
NPR

Antarctic Discovery: A Massive Valley Under The Ice

Researchers have discovered an ancient valley deeper than the Grand Canyon under West Antarctica. The finding is both a window into the continent's past and a forecast of how the ice might change in a future global climate.
NPR

New Study Shakes Up Science On Midwest Quake Zone

The fault that sparked a series of magnitude 7 earthquakes in 1811-12 had been thought dead, but the latest research suggests the region is still alive and kicking.
NPR

Tickety-Tock! An Even More Accurate Atomic Clock

Scientists have unveiled an atomic clock that sets new records in timekeeping — it could run 5 billion years without gaining or losing a second. That sort of precision is not trivial, researchers say. Clocks have ripple effects for all kinds of technology, from cellphones to GPS and more.
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Not Gone, Just Sleeping: Earthquakes May Reawaken In Midwest

Not dead yet! That's the news from the New Madrid fault line in the Midwest. For years geologists thought it was winding down seismic activity, but a new study says it's not. Melissa Block talks with seismologist Susan Hough of the U.S. Geological Survey, who co-authored the study.
NPR

Can Mom's Pregnancy Diet Rewire Baby's Brain For Obesity?

Expectant moms are eating for two, but that isn't a license to indulge. A convincing body of research suggests that what happens in utero can set the stage for obesity. And a new study in mice suggests one way that poor maternal diet might play a role: by rewiring a part of the brain that regulates appetite.
NPR

Water Companies Can't Monitor All Chemicals, There's Too Many

Nearly two weeks after a chemical spill contaminated drinking water in West Virginia, the company involved revealed that it had spilled a second chemical too. Fortunately, officials don't think there was any added risk to the public. The fact that a second contaminant eluded detection reveals an important truth about drinking water supplies and how they're tested for contaminants.
NPR

Contagious Cancer In Dogs Leaves Prehistoric Paw Prints

Dogs can catch a strange type of cancer through sex. Now scientists have decoded the DNA of the tumor and found that the cancer cells are a living fossil of an ancient dog that lived thousands of years ago. This cancer doesn't affect people, but the findings may offer insights into how tumors fool the human immune system.

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