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North Korea Signals Willingness to ‘Denuclearize,’ South Says

SEOUL, South Korea — North Korea’s leader, Kim Jong-un, has told South Korean envoys he is willing to negotiate with the United States on abandoning his country’s nuclear weapons, officials from the South said Tuesday. Mr. Kim also said he would suspend all nuclear and missile tests while such …

North Korea

26,000 tons of radioactive waste sits at the bottom of Lake Powell

Located on the Arizona–Utah border, Lake Powell serves the drinking water needs of 40 million people in the Southwest while welcoming over 3 million …

People are dying because we misunderstand how those with addiction think

A philosopher explains why addiction isn’t a moral failure.<p>The American opioid epidemic claimed 42,300 lives in 2016 alone. While the public policy challenge is daunting, the problem isn’t that we lack any effective treatment options. The data shows that we could save many lives by expanding …

Can technology save you from a shark attack?

With shark attacks rising in countries such as Australia, some say the most effective way to prevent them could be personal repellent devices. Do they work?<p>In mid-January this year, during the heat of the Australian summer, shark scientist Charlie Huveneers set off towards the Neptune Islands, near …

Cape Town

New research shows unexpected side effects of popular painkillers

You pop three pills for intense post-workout soreness, two for a pre-coffee headache, a small handful for period cramps, and suddenly you’re swinging …

Arctic has warmest winter on record: 'It's just crazy, crazy stuff'

Sea ice has hit record lows for time of year as experts say global warming probably fueled big storms in Europe and north-eastern US<p>The Arctic winter has ended with more news that is worrying even the scientists who watch the effects of climate change closely.<p>The region experienced its warmest …

Global Warming

51 Motivational Quotes to Inspire Willpower, Determination, and Success

Success requires inspiration... and determination.<p>Every successful person I know has willpower, determination, and drive. They may not be smarter than everyone else. They may not be more talented, more skilled, or more experienced.<p>But what they do have is the willingness to persevere. Here are 51 …

Motivation

World's oldest known message in a bottle discovered in Australia

The oldest message in a bottle to ever be discovered washed up on a beach in Western Australia<p>132 years after being thrown overboard a German ship.<p>A couple discovered the bottle when walking on the sand a hundred miles north of Perth and it is now on display in a maritime museum in the …

People with depression use language differently — here’s how to spot it

From the way you move and sleep, to how you interact with people around you, depression changes just about everything. It is even noticeable in the way you speak and express yourself in writing. Sometimes this "language of depression" can have a powerful effect on others. Just consider the impact …

Depression

PTSD Symptoms Reduced By Noninvasive Brainwave Technology

Significant reductions of post-traumatic stress disorder symptoms have been shown in a new pilot study using a noninvasive brainwave mirroring …

5 periods of mass extinction on Earth. Are we entering the sixth?

Our earth is very old. Based on the estimation of the oldest rock, it’s around 4.5 billion years of age.<p>Scientists from all over the world use …

Earth Science

PHOTOS: Rare Super Blue Blood Moon

<b>Updated 10:25 a.m. ET Wednesday</b><p>Early Wednesday morning brought a lunar event that hasn't been seen since 1866.<p>It was at least partially visible in all 50 U.S. states, though the views were better the farther west you live.<p>Let's break this down. This event – called a super blue blood moon – was …

Astronomy

As Beijing's skies clear up, smog descends elsewhere in China

After years of effort to clean up its toxic atmosphere, China's capital has seen big improvements in air quality this winter. But some suspect the city has merely gotten better at exporting the pollution, Nathan VanderKlippe reports<p>The sight of sharp horizons and cerulean skies in the Chinese …

These 5-minute nighttime habits will make your days more productive

You've had a long and hopefully productive day. You're ready to unwind and relax until you fall asleep at some point.<p>However, doing that is leaving a lot of potential growth on the table along with quality sleep. Most people unfortunately after a long day at work fall on autopilot and execute a …

Hayes

High-Cholesterol Diets Can Speed Up Tumour Growth 100-Fold, Scientists Say

But we might be able to stop it.<p>Diets high in cholesterol can ramp up the speed of cancer tumour growth by up to 100 times, a new study has revealed …

The Startling Link Between Sugar and Alzheimer's

A high-carb diet, and the attendant high blood sugar, are associated with cognitive decline.<p>In recent years, Alzheimer’s disease has occasionally been referred to as “type 3” diabetes, though that moniker doesn’t make much sense. After all, though they share a problem with insulin, type 1 diabetes …

Diabetes

Scientists Move Closer to a Universal Flu Vaccine

Researchers hope their new approach, which works well in lab animals, may save more lives

Public Health

Why beetles are the most important organisms on the planet

From the minuscule to the mighty, tree-dwellers to pond-swimmers, millions of beetle species reveal a wealth of information about the world we live in<p>The phrase “they come in all shapes and sizes” could have been coined just for the Coleoptera — the beetles. At a fragile 0.325mm long, the Colombian …

Nature

Physicists are planning to build lasers so powerful they could rip apart empty space

Inside a cramped laboratory in Shanghai, China, physicist Ruxin Li and colleagues are breaking records with the most powerful pulses of light the …

Researchers recorded a thought making its way through the brain in real time — see what it looks like

What happens in the brain when you're listening to a person's voice or looking at their face?<p>Neuroscientists at the University of California Berkeley have some new answers to that question after peering inside the opened-up heads of 16 epilepsy patients.<p>The scientists' aim was to track what happens …

The Brain

Can't Remember a Name? Blame the Left Side of Your Brain

<i>Summary: Study reveals both similarities and differences in how the left and right sides of the brain process semantic memory.</i><p>Source: University of …

We've Entered a New Era of Quantum Computing

Quantum computing might be nascent, but recent advancements have brought us into a new age. And every new era needs a name. So when future computing …

Quantum Computing

Iran bans the teaching of English in primary schools, official says

Move comes after warnings by Islamic leaders that early learning of language opened way to western ‘cultural invasion’<p>Iran has banned the teaching of English in primary schools, a senior education official has said, after Islamic leaders warned that early learning of the language opened the way to …

South Asia

The origin of 'us': what we know so far about where we humans come from

The question of where we humans come from is one many people ask, and the answer is getting more complicated as new evidence is emerging all the time.<p>…

Humanity

Is apple cider vinegar good for losing weight?

Apple cider vinegar is made when apple cider is fermented twice. This process creates tart, amber-colored vinegar rich in acetic acid.<p>Apple cider …

Diabetes

Mother Nature is repairing the ozone layer mankind tried its best to destroy

It wasn’t until the late 1980s that the world finally came to terms with the fact that manmade chemicals were destroying the Earth’s ozone layer. By …

Climate Change

We Might Finally Know How Alzheimer's Spreads Through The Brain

A step closer to understanding this devastating disease.<p>Alzheimer's disease is a devastating brain illness that affects an estimated 47 million …

Dementia

Universities should ban PowerPoint — It makes students stupid and professors boring

I asked this of a class of 105 computer science and software engineering students last semester.<p>An article in The Conversation argued universities should ban PowerPoint because it makes students stupid and professors boring.<p>I agree entirely. However, most universities will ignore this good advice …

Pedagogy

Almost every country in the world can power itself with renewable energy

The planet is pretty much ready to go 100 percent renewable by 2050.<p>The country’s energy mix is under scrutiny. A report commissioned by Energy Secretary Rick Perry acknowledges that low natural gas prices—not renewables—are behind the recent closure of coal energy plants, and that the grid has …

Renewable Energy