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Cyberattack on Ukraine grid: here's how it worked and perhaps why it was done

  • Written by The Conversation Contributor
imageCould the hack that took out the power grid in Ukraine happen in the U.S.? rainchurch/flickr, CC BY-SA

On December 23, 2015, two days before Christmas, the power grid in the Ivano-Frankivsk region of Ukraine went down for a reported six hours, leaving about half the homes in the region with a population of 1.4 million without power, according to...

Read more: Cyberattack on Ukraine grid: here's how it worked and perhaps why it was done

Great night for Sanders could be turning point in race

  • Written by The Conversation Contributor
imageClinton and Sanders struggle to get their points across.REUTERS/Randall Hill

The gloves are off in the Democratic race, and it’s now abundantly clear that Bernie Sanders can throw a punch.

On Sunday night the Democratic presidential candidates met for their final debate before the Iowa caucuses. Hillary Clinton entered the debate with a 25-poin...

Read more: Great night for Sanders could be turning point in race

Knowledge comes from death’s release: Blackstar recalls David Bowie’s influence on goth

  • Written by The Conversation Contributor
imageA still from the music video for Lazarus.Columbia

David Bowie’s newest album, Blackstar – released shortly before the artist’s death – has skyrocketed to the top of the charts.

It’s also become a subject of intense scrutiny by critics and fans: What was the reclusive singer’s state of mind as he approached the...

Read more: Knowledge comes from death’s release: Blackstar recalls David Bowie’s influence on goth

Is Bernie Sanders really a socialist? And how could he like Denmark?

  • Written by The Conversation Contributor
imageSanders on the stumpMary Schwalm/Reuters

The latest opinion polls suggest that Hillary Clinton’s lead over Vermont Senator Bernie Sanders is slipping. A New York Times/CBS poll described Clinton’s lead as “melting away.” Reputedly 48 percent of Democratic primary voters across the country support Clinton, with 41 percent...

Read more: Is Bernie Sanders really a socialist? And how could he like Denmark?

Basic income for all could lift millions out of poverty – and change how we think about inequality

  • Written by The Conversation Contributor
imageA basic income may distribute the peanuts a little more fairly. Peanut piles via www.shutterstock.com

The idea of a basic income for every person has been popping up regularly in recent years.

Economists, think tanks, activists and politicians from different stripes have toyed with the idea of governments giving every citizen or resident a minimum...

Read more: Basic income for all could lift millions out of poverty – and change how we think about inequality

The fourth industrial revolution: what does WEF's Klaus Schwab leave out?

  • Written by The Conversation Contributor
imageDigital and physical worlds are predicted to become inseparable in the fourth industrial revolution.DNA Films

In April 2000, Bill Joy famously wrote in Wired Magazine:

Our most powerful 21st-century technologies – robotics, genetic engineering, and nanotech – are threatening to make humans an endangered species.

At the time, Joy was an...

Read more: The fourth industrial revolution: what does WEF's Klaus Schwab leave out?

If we want medicine to be evidence-based, what should we think when the evidence doesn't agree?

  • Written by The Conversation Contributor
imageWeighing the evidence. Maggie Villiger, CC BY-ND

To understand if a new treatment for an illness is really better than older treatments, doctors and researchers look to the best available evidence. Health professionals want a “last word” in evidence to settle questions about what the best modes of treatment are.

But not all medical...

Read more: If we want medicine to be evidence-based, what should we think when the evidence doesn't agree?

How do you build a mirror for one of the world's biggest telescopes?

  • Written by The Conversation Contributor
image20 tons of Ohara E6 borosilicate glass being loaded onto the mold of one of the GMT's mirrors.Ray Bertram, Steward Observatory, CC BY-ND

When astronomers point their telescopes up at the sky to see distant supernovae or quasars, they’re collecting light that’s traveled millions or even billions of light-years through space. Even huge...

Read more: How do you build a mirror for one of the world's biggest telescopes?

Four quotes from the sixth GOP presidential debate, explained by experts

  • Written by The Conversation Contributor
imageTrump and Cruz during the GOP debate, round 6. North Charleston, South Carolina January 14, 2016. REUTERS/Randall Hill

Editor’s note: Seven candidates took part in Thursday’s mainstage presidential debate in North Charleston, South Carolina – the sixth debate between the GOP candidates. Donald Trump, Texas Senator Ted Cruz, Ben...

Read more: Four quotes from the sixth GOP presidential debate, explained by experts

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