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To a mathematician, it's a violent explosion that shoots out missiles of hot, wet air, slamming a turbulent cloud of moisture into anybody or anything that crosses its path.

To the rest of us, it's a sneeze.

In the blink of a few thousand likes and shares, Texas teacher Brandy Young's homework policy gained the viral notoriety normally reserved for tip-shaming.

Earlier this month, Young informed parents of her Godley Elementary second-graders of her policy for the year: no homework.

Updated at 7:10 p.m. ET

Like a lot of people's grandmothers, Flonzie Brown-Wright keeps a candy jar in the living room of her single-story home, which is also adorned with potted plants and family photos.

Bernie Sanders is launching a new political organization. It's called Our Revolution. It aims to support candidates and, according to its website, "advance the progressive agenda that we believe in."

But the revolution is getting off to a rocky start.

Eight key staffers abruptly resigned over the weekend in a dispute over the group's leadership and legal structure.

Sanders himself is set to address followers on Wednesday at 8 p.m. ET for the launch of the group. You can watch that here:

For such a commonplace bodily function, the sneeze has messed with our minds (and noses) for centuries. It will kill us, it won't kill us. We'll have bad luck, we'll have good luck. Watch out for Satan, he's wily and knows how to get into your nasal membranes. Did you have too much to eat? Are you sad? Do you have a weak heart?

The Bombay to Barcelona Library Cafe sits on one side of a noisy street in a lower-middle-class neighborhood of Mumbai, India, not far from the city's swanky new international airport.

A major study about the best way to treat early-stage breast cancer reveals that "precision medicine" doesn't provide unambiguous answers about how to choose the best therapy.

"Precision doesn't mean certainty," says David Hunter, a professor of cancer prevention at Harvard's T.H. Chan School of Public Health.

That point is illustrated in a large study published Wednesday in the New England Journal of Medicine, involving decisions about chemotherapy.

Canada's Mounties Say Female Officers Can Wear Hijabs

11 hours ago

Canada's national police force says it is allowing women in its ranks to wear the hijab.

A spokesman confirmed Wednesday that the Royal Canadian Mounted Police, known as the Mounties, recently approved the headscarf for its Muslim officers.

NPR's Kelly McEvers talks with professor Christian Herbst, who was part of the team that released a study that explores the science behind Freddie Mercury's amazing voice. This story originally aired on April 25, 2016 on All Things Considered.

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Computers have already beaten us at chess, Jeopardy and Go, the ancient board game from Asia. And now, in the raging war with machines, human beings have lost yet another battle — over typing.

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