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Science

Some assembly required: New space telescope will take shape after launch

The James Webb Space Telescope is undergoing its final series of tests in NASA workshops. It's designed to take even grander images than the Hubble telescope. But deploying it will be a major feat.
by Joe Palca

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As batteries keep catching fire, U.S. safety agency prepares for change

As batteries keep catching fire, U.S. safety agency prepares for change

The Consumer Product Safety Commission grabbed the spotlight in recalls of hoverboard scooters and Samsung's Galaxy Note 7 phones. It's a tiny agency with a vast oversight of thousands of products.
by Alina Selyukh

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We tracked down a fake-news creator in the suburbs. Here's what we learned

We tracked down a fake-news creator in the suburbs. Here's what we learned

"The whole idea from the start was to build a site that could kind of infiltrate the echo chambers of the alt-right," says Jestin Coler, whose company, Disinfomedia, is behind some fake news sites.
by Laura Sydell

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Scientists say dinosaur-killing asteroid made Earth's surface act like liquid

Scientists say dinosaur-killing asteroid made Earth's surface act like liquid

The asteroid smashed into Earth. And from miles under the Earth's surface, rock hurtled upward to a height twice that of Mount Everest and then collapsed outward to form a ring of mountains.

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Post-election, overwhelmed Facebook users unfriend, cut back

Post-election, overwhelmed Facebook users unfriend, cut back

NPR asked how your social media habits changed after the election. More than 150 of you replied -- and most are tired, deleting apps, unfriending people, tuning out politics or worried for family ties.
by Alina Selyukh

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Peggy Whitson, 56, becomes oldest woman in space

Peggy Whitson, 56, becomes oldest woman in space

On the mission, she's projected to once again become the U.S. astronaut with the most time spent in orbit.

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New satellite provides weather forecast for the final frontier

New satellite provides weather forecast for the final frontier

The GOES-R satellite is scheduled to enter orbit Saturday. It'll sit 22,000 miles above the Americas, monitoring weather on the planet -- and in space.
by Rae Ellen Bichell

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'Misinformation' on Facebook: Zuckerberg lists ways of fighting fake news

'Misinformation' on Facebook: Zuckerberg lists ways of fighting fake news

Computer detection of potentially false stories; labeling news that might be false; cutting ad revenue: Those are steps Facebook could use to combat fake news.

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From hate speech to fake news: The content crisis facing Mark Zuckerberg

From hate speech to fake news: The content crisis facing Mark Zuckerberg

The Facebook chief has an army of subcontractors making editorial judgments about millions of pieces of content -- like a media company. But the rules they operate by are complex and contradictory.
by Aarti Shahani

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