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In the Winter Olympics, where races can be won or lost by thousandths of a second, tiny imperfections can make all the difference.

Nowhere is this more true than in the ice venues, where skilled technicians called "ice meisters" have honed their expertise over years of crafting the perfect surface.

Make that surfaces: It turns out that all ice is not created equal.

Depending on the sport, the ice might need to be softer or harder, colder or warmer, textured or smooth.

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States Seek To Prevent Election Hacking

Feb 19, 2018

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A group of teenagers who say they are desperate for some action on gun control staged a silent "lie-in" outside the White House Monday, in the wake of the deadly Florida school shooting last week.

Fifty years ago Monday, when Fred Rogers showed up on national public television as the host of what then was a brand new children's show called Mister Rogers' Neighborhood, TV was a lot different. PBS wasn't even a network then — not by that name, anyway — and aside from CBS, NBC and ABC, there were only a few independent local channels to watch, if that.

In more than three decades of work, Doug Jones has carved out a niche in the acting world by playing strange and otherworldly creatures. He was a demonic superhero in Hellboy and a monster with an appetite for children in Pan's Labyrinth.

But there was one storyline that proved elusive: Jones says, "I never saw romantic leading male [stories] coming with any creature roles."

We expected the cold. It was, after all, the Winter Olympics.

But the wind is what has made an impression on many of us visiting Pyeongchang. It's even caused competition schedules to be rewritten.

For a string of days last week, the wind blew steady at 15 to 20 mph, with gusts of 45 mph. Concession stands and security scanners were toppled; temporary tents were blown away.

On the worst day, it looked as if a massive dust storm had descended. Three days later, we were still shaking sand out of our boots.

Atlanta Police are seeking an Uber Eats driver who they say killed a customer during a delivery.

The department confirmed to NPR that officers responded to a call of a person shot in the Buckhead neighborhood in north Atlanta on Saturday around 11:30 p.m. Investigators learned from witnesses that the victim left his apartment to meet an Uber Eats driver, took his order and began walking away from the delivery vehicle.

Animals that live in the ocean communicate with sound — humpback whales, for example. But these voices could soon be drowned out by powerful sonic booms from vessels searching for oil and gas.

Nick Cunningham grew up far from the snow in Monterey, on California's central coast. He ran track at Boise State University.

None of that hinted at the route he would take after graduation — trying out for the U.S. bobsled team.

"I figured it would be a graduation gift for myself to kind of do something that's outside the box, outside my comfort zone," said Cunningham, 32. "Just try something none of my friends could ever say that they tried out for. And so I went and tried out. And 18 months later, I went to my first Olympics."

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Students from a Florida high school spent the weekend demanding action after last week's mass shooting. They've been contacting reporters, and one, Emma Gonzalez, delivered a speech advocating gun control.

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The Court of Arbitration for Sport has confirmed that it has begun proceedings against Russian curler Aleksandr Krushelnitckii, who won a bronze medal in curling as part of the Olympic Athletes from Russia team at the Pyeongchang Winter Olympics.

Krushelnitckii finished third in the mixed-doubles curling tournament, competing with his wife and teammate, Anastasia Bryzgalova.

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Food scientists at the University of Massachussetts Amherst have come up with a technique they say could make it a lot easier to avoid food poisoning.

The main piece of equipment? Your smartphone.

Currently, to identify the bacteria that can get you sick, like E. coli or salmonella, food scientists often use DNA testing.

They obtain samples from, say, raw spinach or chicken skin, by rinsing the food and collecting a tiny bit of bacteria from the water. Then they let that bacteria multiply over 24 hours to get a big enough sample.

The city of Raqqa was the de facto capital of the Islamic State. ISIS fighters were defeated there back in October, and they scattered in all directions. But they left behind a deadly legacy — thousands upon thousands of explosive booby traps.

Now U.S. and Syrian trainers are teaching young men how to dismantle those bombs, at a village on the outskirts of the city.

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When it comes to global politics off the rink — most of the spotlight has fallen on North and South Korea. But just as the two Koreas have been making nice, South Korea and Japan have gotten chilly.

On the ice — Nao Kodaira of Japan and two-time gold medalist Lee Sang-hwa of Korea are the world's best at the 500 meter speed skate. They have finished within fractions of a second of each other for years and are constantly compared to one another. Sunday's much-watched showdown between the two was packed with extra meaning because their countries compete so fiercely, too.

Top election officials from across the country grappled with a delicate question this weekend: How do you tackle the threat of election interference, and be transparent in doing so, without further eroding the public's trust in the voting process?

"I'm always trying to straddle the line between sounding the alarm on this issue and being alarmist," said Steve Simon, Minnesota's secretary of state.

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