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Deep Learning: Teaching Computers To Tell Things Apart

The first step in recognizing people could be telling the difference between a cat and a dog. Facebook is investing in artificial intelligence research, with the hopes of better sorting your photos.
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Keystone Greens See Pipeline As Crucial Test For Obama

This week's North American Summit is refocusing attention on the proposal to build the Keystone XL pipeline. The issue's proved to be complicated for President Obama to navigate among green activists.
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Scientists Fear Ecological Disaster In Nicaragua's Planned Canal

The head of Nicaragua's Academy of Sciences says the plan for a new Central American shipping channel seems so crazy that he's having trouble persuading conservation groups to take it seriously.
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Nebraska To Appeal Ruling That Blocks Keystone Pipeline In State

TransCanada, the company in charge of the pipeline extension, says it is "disappointed" by the decision but will await the outcome of the appeals process.
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As Execution Drugs Run Dry, Attention Turns To Source Of Shortage

The U.S. is experiencing a nationwide shortage of the drugs commonly used in lethal injections. The situation has stirred controversy not only in the U.S. but in Europe, as well.
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'Bluish' Light May Help Alzheimer's Patients Find Bearings

Rensselaer Polytechnic Institute is trying to help Alzheimer's patients experience fewer behavioral issues. Robert Siegel speaks with researcher Mariana Figueiro and psychiatrist Guerman Ermolenko.
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What Is The Psychological Effect Of Naming Storms?

Nick Epley at the University of Chicago has been studying the effects of naming inanimate things like storms. He finds that doing so gives them human-like qualities --among them, intentionality.
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If Yellowstone Could Talk, It Might Squeak. Blame The Helium

A huge amount of ancient helium rises from the rocks beneath Yellowstone National Park each week — about enough to fill a Goodyear blimp. Scientists say it's due to a huge volcano underneath the park.
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World's Largest Oyster Is Size Of A Man's Shoe

At nearly 14 inches long, a mammoth mollusk is still alive and growing, says the biologist who found it in Denmark. The oyster is roughly comparable to a size 11 shoe.
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One Man's Quest To Find The 'Sonic Wonders Of The World'

Acoustic engineer Trevor Cox has traveled around the globe to hear whispering arches and singing sand dunes. Closer to home, he can also explain why your singing sounds better in the shower.

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