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Can drinking water be delivered without disinfectants like chlorine and still be safe?

  • Written by The Conversation Contributor
imageChlorine needed? Wisconsin Department of Natural Resources, CC BY-SA

When we open the tap, we expect the water to be safe. That is, the water should be free of pathogens that could make us sick and any chemicals that could cause problems later in life.

For the most part, potable water systems in the developed world have done a great job providing...

Read more: Can drinking water be delivered without disinfectants like chlorine and still be safe?

'The Math Myth' fuels the algebra wars, but what's the fight really about?

  • Written by The Conversation Contributor
imageA confused student might not be leaving a math classroom....Student image via www.shutterstock.com.

I discovered recently that my calculus students do not know the meaning of the word “quorum.” Since a course in American government is a high school graduation requirement in most states (including here in Florida), I was taken aback.

How...

Read more: 'The Math Myth' fuels the algebra wars, but what's the fight really about?

How Donald Trump broke the media

  • Written by The Conversation Contributor

After Super Tuesday, print and broadcast media have woken up to the very real possibility of President Donald J. Trump.

But they can’t seem to understand that their own decline is a major reason for his success. Win or lose, Trump has changed the face of media and politics alike. It’s a simple formula: new media + reality TV = new media...

Read more: How Donald Trump broke the media

How we used a century of data to create a modern, digital geologic map of Alaska

  • Written by The Conversation Contributor
imageThe biggest state has a brand new map.Geologic Map of Alaska

Since William Smith’s publication of the first geologic map of England in 1815, geologists have used maps to show the distribution and character of rocks at the Earth’s surface, and display their interpretations of the underlying geology. These maps help guide exploration for...

Read more: How we used a century of data to create a modern, digital geologic map of Alaska

Why the curvy new Barbie is good news for your little girl

  • Written by The Conversation Contributor
imageWhy does this body shape matter so much?napudollworld, CC BY-NC-ND

Mattel recently announced that their half-century-old centerfold would be getting a brand new look. The new Barbie will come in three different body shapes (tall, curvy and petite) and a variety of skin tones, eye colors and hairstyles.

Barbie’s new look is likely the result of...

Read more: Why the curvy new Barbie is good news for your little girl

Organizing a student protest? Have a look at 1970s Germany

  • Written by The Conversation Contributor
imageMay 1968 students' protest in Berlin. Holger.Ellgaard, CC BY-SA

The protests over race and diversity that shook campuses across the U.S. in 2015 continue to reverberate.

In January the president of Ithaca College resigned. In February Princeton University began public discussions of the controversial legacy of its former president and U.S. President...

Read more: Organizing a student protest? Have a look at 1970s Germany

It's time to measure 21st century aging with 21st century tools

  • Written by The Conversation Contributor

The populations of most countries of the world are aging, prompting a deluge of news stories about slower economic growth, reduced labor force participation, looming pension crises, exploding health care costs and the reduced productivity and cognitive functioning of the elderly.

These stories are dire, in part because the most widely used measure...

Read more: It's time to measure 21st century aging with 21st century tools

Supreme Court sides with EPA on cleaning Chesapeake Bay – and perhaps other waterways

  • Written by The Conversation Contributor
imageFertilizer runoff and other activities have 60 percent of Chesapeake Bay in a virtual dead zone.Chesapeake Bay Program, CC BY-NC

In one of the earliest signs of how a divided Supreme Court will deal with environmental cases in the post-Scalia era, the court on February 29 handed the Environmental Protection Agency (EPA) a victory over farming...

Read more: Supreme Court sides with EPA on cleaning Chesapeake Bay – and perhaps other waterways

More Articles ...

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  4. How difficult would it be to repeal Obamacare for good?
  5. Does it matter who wins the election when it comes to the Middle East?
  6. Will the next U.S. president close the digital divide for Americans without broadband access?
  7. Will Republican tax plans make America great again?
  8. Online ads know who you are, but can they change you too?
  9. Do school vouchers improve results? It depends on what we ask
  10. Voters who oppose politicians are the most active
  11. Super Tuesday sees Trump and Clinton triumph: scholars around the globe react
  12. Super Tuesday sets the stage for a Trump versus Clinton showdown
  13. Are 'extremist' candidates electable?
  14. Psychological tips for resisting the Internet's grip
  15. Why kids are key to unlocking the potential of 3D printing
  16. Here's how the method of testing can change student scores
  17. Is lead in water a problem beyond Flint? We don't do the testing to find out
  18. Candidates' plans to change controversial H-1B guestworker program highlight need for an overhaul
  19. Elizabeth Warren is savvy not to endorse Clinton or Sanders
  20. What Berkeley's budget cuts tell us about America's public universities
  21. How women change outcomes in courtrooms and beyond
  22. How not to wind up voting for a president you don't actually agree with
  23. We helped uncover a public health crisis in Flint, but learned there are costs to doing good science
  24. Oscars 2016: expert reaction
  25. African-American women could be decisive on Super Tuesday
  26. Apple versus FBI: All Writs Act's age should not bar its use
  27. Subprime gets bad rap in 'Big Short' but is key to easing housing affordability crisis
  28. Want the economy to grow? It's time to look at cities and efficiency
  29. Filling the Supreme Court vacancy: lessons from 1968
  30. Beyond invisibility: engineering light with metamaterials
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  33. In FBI versus Apple, government strengthened tech's hand on privacy
  34. Leap day: fixing the faults in our stars
  35. Subprime gets bad rap in 'Big Short' but is key to easing affordability crisis
  36. Why boys need to have conversations about emotional intimacy in classrooms
  37. The surprising link between postwar suburban development and today's inner-city lead poisoning
  38. Clinical trials for childhood cancer drugs are critical, but parents don't always understand what they are signing up for
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  40. The mysterious biomechanics of riding – and balancing – a bicycle
  41. Trump's winning streak reveals bigotry's appeal in GOP
  42. Evolution of moral outrage: I'll punish your bad behavior to make me look good
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  46. Five years after the Arab Spring, how does the Middle East use social media?
  47. Former clerk on Justice Antonin Scalia and his impact on the Supreme Court
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