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Updated: 1 hour 25 min ago

Quiz: Are You Smarter Than A South African High School Student?

Sun, 09/20/2015 - 6:03am

So you think you know a lot about world affairs? Like, um, what kind of animal did that American dentist shoot? See how you do on the annual Interschool quiz for South Africa's youth.

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As Alzheimer's Symptoms Worsen, Hard Conversations About How To Die

Sat, 09/19/2015 - 4:02pm

Six years after he was diagnosed with both cancer and Alzheimer's, Greg O'Brien is beginning to talk to his doctor, and to his family, about his "exit strategy" for the final years of his life.

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Seattle Otter Treated For Asthma After Exposure To Wildfire Smoke

Sat, 09/19/2015 - 7:11am

It's not just humans that have been affected by wildfires this year. An otter called Mishka is being treated for asthma after being exposed to smoke by fires near Seattle.

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EPA Says Volkswagen Dodged Clean Air Rules With Emissions Software

Fri, 09/18/2015 - 3:31pm

The Environmental Protection Agency is accusing Volkswagen of intentionally dodging clean air rules on nearly half a million vehicles in the U.S. The EPA says Volkswagen installed software called a "defeat device" that only runs full pollution controls during official emissions testing. Under normal driving conditions, the vehicles emit nitrogen oxides at up to 40 times allowable levels, according to the EPA.

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Volkswagen Used 'Defeat Device' To Skirt Emissions Rules, EPA Says

Fri, 09/18/2015 - 11:53am

The agency says some 480,000 diesel-powered Volkswagens have sophisticated software that detects emissions testing — and "turns full emissions controls on only during the test."

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British Scientists Seek Permission To Edit DNA In Human Embryos

Fri, 09/18/2015 - 10:44am

After Chinese scientists announced in April that they had edited the genes in human embryos, many researchers said it shouldn't be done. Scientists in London say they want to do it for research only.

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The 2015 Ig Nobels: Studies That Make You Go 'Huh?'

Fri, 09/18/2015 - 9:32am

This year's prizes honored, among others, the brave researcher who subjected himself to 200 bee stings to determine where it was most painful.

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Planets Transit The Desert In 7-Mile Scale Model Of The Solar System

Fri, 09/18/2015 - 7:14am

In this solar system, Jupiter is about the size of a miniature watermelon. The sun is a small weather balloon. And the orbits, traced onto a dry lakebed, are huge.

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Catching Zzzzzzs: Fly Insomnia Might Help You Sleep Better

Fri, 09/18/2015 - 4:01am

Research on fruit flies with different types of insomnia has revealed the same brain pathways that interfere with sleep in people. The result may be better sleeping pills that don't leave you groggy.

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What Happens When You Get Your Period In Space?

Thu, 09/17/2015 - 4:16pm

Male scientists spent decades arguing that women weren't suited for space travel because of menstruation. Even now, a lot of us are wondering how astronauts manage that time of the month.

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Caffeine At Night Resets Your Inner Clock

Wed, 09/16/2015 - 3:07pm

Late-night coffee, tea or cola does more than keep you up, scientists say. The amount of caffeine in a double espresso can delay the internal clock in cells throughout your body by about 40 minutes.

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It's Time To Get Serious About Reducing Food Waste, Feds Say

Wed, 09/16/2015 - 1:16pm

The U.S. Department of Agriculture and the Environmental Protection Agency are challenging the nation to reduce food waste by 50 percent by 2030. It's the first-ever national target for food loss.

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Deadly Heartland Virus Is Much More Common Than Scientists Thought

Wed, 09/16/2015 - 12:52pm

The Heartland virus was considered rare. Scientists now say they've found signs of it circulating in animals across the Midwest, New England and the South. They think human cases have been missed.

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School Nurses Stock Drug To Reverse Opioid Overdoses

Wed, 09/16/2015 - 4:12am

With deaths from heroin and painkillers on the rise, more nurses at high schools and middle schools are prepared to intervene in the event of an overdose on school grounds.

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School Nurses Begin Stocking Opioid Overdose Antidote Naloxone

Wed, 09/16/2015 - 4:12am

With record numbers of young people using heroin and opioid painkillers, more school nurses are prepared to intervene in the event of an overdose on school grounds.

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How Small Changes Can Yield Big Results For The Government

Tue, 09/15/2015 - 5:43pm

A team of behavioral scientists has been studying low-cost, easy interventions — text message reminders, how an envelope looks — to improve efficiency and access to federal programs.

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Jeff Bezos Announces Plans To Build, Launch Rockets From Cape Canaveral

Tue, 09/15/2015 - 3:21pm

Jeff Bezos, the founder of, visited Florida Tuesday to announce his other company, Blue Origin, will launch rockets from Cape Canaveral. He created his private space firm 15 years ago.

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Amazon's Bezos Plans To Build, Launch Rockets From Florida

Tue, 09/15/2015 - 9:49am

In announcing a new expansion of commercial efforts to launch earthlings into space, founder and CEO Jeff Bezos says the launch pads at Cape Canaveral have been dormant for too long.

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Engineers Create A Titanium Rib Cage Worthy Of Wolverine

Tue, 09/15/2015 - 9:44am

Doctors say it's the first time a titanium sternum and set of ribs have been made with a 3-D printer. The custom-made device has already been implanted in the chest of a cancer patient in Spain.

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The Economics Of Happiness And A Country's Income Inequality

Tue, 09/15/2015 - 4:07am

For many years people have puzzled over why countries that get richer don't seem to get happier. Now, researchers have an answer.

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