Science

July 21, 2016 11:00 AM

What does it take to get permanently banned from Twitter?

Twitter says it's reviewing its hateful-conduct policy. The suspension of conservative writer Milo Yiannopoulos has prompted a new focus on the company's ongoing struggle to rein in abusive messages.

by Alina Selyukh

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July 21, 2016 8:00 AM

Stormwater cleanup goes high tech in St. Anthony Village

Polluted stormwater in the Twin Cities can lead to algae blooms and other problems in the Mississippi River.

by Elizabeth Dunbar

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July 19, 2016 10:35 AM

What is a paradigm shift, anyway?

Thomas Kuhn, the well-known physicist, philosopher and historian of science, was born 94 years ago today. Psychologist Tania Lombrozo takes a look at what his "paradigm shift" really means.

by Tania Lombrozo

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July 19, 2016 6:32 AM

Spacefaring stamp sets world record

The "Pluto: Not Yet Explored" stamp has traveled farther than any other stamp, hitching a ride on the New Horizons space probe, which accomplished its closest flyby of the dwarf planet last summer.

by Jason Slotkin

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July 15, 2016 12:57 PM

Where did agriculture begin? It's complicated

Scientists have long assumed that farming began among one group in the Mideast. But a new study suggests a more diverse origin story.

by Rhitu Chatterjee

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July 15, 2016 10:00 AM

Marine ecologist on swimming with sharks, what 'Jaws' got wrong

Neil Hammerschlag has looked inside the mouth of a wild tiger shark and lived to tell the tale. He says that sharks pose only a very small risk to people: "Humans are not on the shark's menu."

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July 15, 2016 7:15 AM

In wake of shootings, Facebook struggles to define hate speech

After last week's police shootings, Facebook received a flood of complaints, with users calling out posts as hate speech. According to Facebook insiders, the company was not prepared.

by Aarti Shahani

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July 13, 2016 6:43 AM

Pokemon No: Players not welcome at Holocaust Museum, Arlington

The sites where visitors normally reflect on somber themes ask players of the hot new mobile game not to chase cartoon characters there.

by Rebecca Hersher

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July 11, 2016 2:09 PM

Pokemon Go invades America, finally gets us to exercise

If you see groups of people walking around like zombies in your neighborhood this week, don't call police -- they're just trying to catch 'em all.

by The Associated Press and Nancy Yang

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July 7, 2016 4:04 PM

Synthetic stingray may lead to a better artificial heart

Scientists have created a synthetic stingray that's propelled by living muscle cells and controlled by light.

by Jon Hamilton

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