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9:43am

Wed February 29, 2012
Shots - Health Blog

The High Price Of Caring For A Loved One With Alzheimer's

The last photo taken of Joy (left) and her father, Patrick, in July 2011.
Courtesy of Joy Johnston

As a kid, Joy Johnston was Daddy's little girl.

Her father, Patrick, worked in the trucking trade, took care of his family and loved singing to his daughter.

When Joy got older, she moved to Atlanta for work and her parents retired to New Mexico. When she flew in for a visit in 2008, she noticed her father was changing. He would pay for gas but not fill up the tank. He would ask his wife, Jane, "Where's Jane?"

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9:28am

Wed February 29, 2012
The Salt

Truffles Take Root In Appalachian Soil

Originally published on Wed February 29, 2012 3:09 pm

Perigord truffles for sale in southwestern France. American farmers say they've figured out how to make the delicacy flourish in Appalachian soils.
Regis Duvignau Reuters /Landov

As orchards go, truffle orchards are upside-down and backwards. The magic happens not on the branches of oak and hazel trees, but beneath them, where a richly flavored mushroom sprouts from fungal colonies laced about the trees' roots. This cultivated variety is the black Perigord truffle, or tuber melanosporum.

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9:28am

Wed February 29, 2012
Research News

The Man Working To Reverse Engineer Your Brain

A map of neurons of the mouse retina, reconstructed automatically by artificial intelligence from electron microscopic images.
A. Zlateski based on data from K. Briggman, M. Helmstaedter, and W. Denk MIT/Seung

Our brains are filled with billions of neurons, entangled like a dense canopy of tropical forest branches. When we think of a concept or a memory — or have a perception or feeling — our brain's neurons quickly fire and talk to each other across connections called synapses.

How these neurons interact with each other — and what the wiring is like between them — is key to understanding our identity, says Sebastian Seung, a professor of computational neuroscience at MIT.

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9:16am

Wed February 29, 2012
All Tech Considered

How To Adjust Your Privacy Settings, Before Google's Big Shift

A screengrab shows the Google Search history page — and the buttons to click to remove and pause a user's history.
NPR

News that Google will place its dozens of services under one privacy policy — a change that also means the company will compile and collate each user's data from all those products — has some of its customers scrambling to restrict their privacy settings before the new policy goes into effect on March 1.

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8:59am

Wed February 29, 2012
Asia

N. Korea Agrees To Nuclear Moratorium, U.S. Says

Originally published on Wed February 29, 2012 9:03 am

Transcript

RENEE MONTAGNE, HOST:

This is MORNING EDITION from NPR News. I'm Renee Montagne.

DAVID GREENE, HOST:

And I'm David Greene. We have learned this morning that North Korea has agreed to a moratorium on nuclear tests and uranium enrichment activities. This is according to State Department officials just back from a trip to China, where they met with North Korean negotiators. NPR's Michele Kelemen has more on what could be a step towards reviving nuclear disarmament talks.

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