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Hearts and stars in fireworks: How do they do that?
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Hearts and stars in fireworks: How do they do that?

Fireworks are so advanced they turn into all kinds of shapes — even smiley faces. But have you ever wondered how they're done? 

Fire Fight: The homebuilding industry’s war on fire sprinklers
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Fire Fight: The homebuilding industry’s war on fire sprinklers

The homebuilding industry has spent millions of dollars in state capitals to block a life-saving upgrade included in the nation’s model building code.

Women and the Zika virus: smart questions and a few solid answers
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Women and the Zika virus: smart questions and a few solid answers

Most of the scariest headlines come from Zika’s potential to cause birth defects — the big one is microcephaly. But there are other potential consequences as well.

Undersea waves may melt Arctic ice
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Undersea waves may melt Arctic ice

Only the biggest waves can stir up warm water in ocean depths.

Roger Cook
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How one educator broke rules, influenced a state law and got all his students to graduation

Roger Cook, a superintendent in rural central Kentucky, took a risky path to becoming a champion for academic success.

In 2015, motorcycle crashes helped drive highway death toll to highest level
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In 2015, motorcycle crashes helped drive highway death toll to highest level in years

2015 is expected to be the third-worst on record for motorcyclist deaths. A new estimate shows that 5,010 bikers were killed in crashes nationwide. 

Bacteria in Wisconsin’s drinking water is ‘public health crisis’
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Bacteria in Wisconsin’s drinking water is ‘public health crisis’

Hundreds of thousands of Wisconsin residents are at risk of illness from waterborne pathogens in private and public drinking water supplies. 

How typography can save your life
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How typography can save your life

What words look like matters — in some cases, a whole lot.

Should we hit the pause button for online and blended learning?
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Should we hit the pause button for online and blended learning?

Too many students in virtual and blended learning schools are performing poorly, according to a new National Education Policy Center report.

Federal agency that protects whistleblowers is accused of retaliating against on
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Federal agency that protects whistleblowers is accused of retaliating against one of its own

Darrell Whitman was a federal investigator who probed whistleblowers’ complaints. Now he has filed his own whistleblower claim against OSHA, where he used to do the investigating.

This new perk is helping millennials pay off college loans
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Move over 401(k)s — this new perk is helping millennials pay off college loans

Employers seeking talent offer to help workers free themselves from all that debt.   

X-Rays help deliver drugs with pinpoint accuracy
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X-Rays help deliver drugs with pinpoint accuracy

Microscopic drug-filled "balloons" can be ruptured precisely where needed.

Kayla Davidson and her son, Maxx
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Regulators, automakers urged to warn parents about flawed seats

Federal safety officials "know the seatbacks have been collapsing for years. They know that if you put a kid behind an occupied seat, you’ve got a problem," said Clarence Ditlow of the Center for Auto Safety.

Donald Trump and Sen. Ted Cruz
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Super PACs and Trump's wife: How a photo dispute highlights weakness in campaign finance rules

Trump accused the Cruz campaign of providing a revealing GQ photo of Melania to a PAC for an ad against her. The Cruz camp said it had no involvement in the ad.

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Long-term-care insurance: less bang, more buck

Many insurers have left the business. Those that remain are charging far more for new policies, and sharply raising the premiums of old ones.

Researchers are developing shape-shifting fluid robots
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Researchers are developing shape-shifting fluid robots

Strange properties could make the devices ideal for chaotic, hostile environments.

FCC Commissioner Tom Wheeler
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Verizon to pay $1.35 million to settle zombie cookie privacy charges

The new settlement is the latest sign that the FCC is stepping up privacy enforcement actions.

Researchers train dog detectives so their results are admissible in courts
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Sniffing out criminals: Researchers train dog detectives so their evidence is admissible in courts

"They smell in colors," said Cindy Otto, director of the Pennvet Working Dog Center in Philadelphia, and a member of search and rescue teams. "They use their nose as we use our eyes," she said.

Thousands of drones fill the skies, raising fears of midair collisions
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Thousands of drones fill the skies, raising fears of midair collisions

Drones' popularity is booming in the U.S., with sales of drones weighing more than a half-pound expected to reach 1 million this year.

Private groups step in to show teachers how to use technology in the classroom
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Private groups step in to show teachers how to use technology in the classroom

Educators across the country say they need additional – and better – training. One-time, workshop-style sessions just haven’t inspired the bulk of teachers to adopt technology.