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Bacteria live on our eyeballs -- and understanding their role could help treat common eye diseases

  • Written by Tony St. Leger, Assistant Professor of Ophthalmology and Immunology, University of Pittsburgh
The eye has a collection of microbes living on the surface that keep it healthy. photoJS/Shutterstock.com

You may be familiar with the idea that your gut and skin are home to a collection of microbes – fungi, bacteria and viruses – that are vital for keeping you healthy. But did you know that your eyes also host a unique menagerie of...

Read more: Bacteria live on our eyeballs -- and understanding their role could help treat common eye diseases

Corruption triumphs in Guatemala's presidential election

  • Written by Naomi Roht-Arriaza, Distinguished Professor of Law, University of California, Hastings

The two winners in Guatemala’s June 16 presidential vote – former first lady Sandra Torres and former prison director Alejandro Giammattei – will face off in a second round of voting in August.

But already one election loser is clear: Guatemala in its decade-long fight to root out massive government corruption.

Both Torres, who...

Read more: Corruption triumphs in Guatemala's presidential election

Is cutting Central American aid going to help stop the flow of migrants?

  • Written by Carmen Monico, Assistant Professor of Human Service Studies, Elon University
Some USAID programs seek to help raise living standards for families like this one in Western Honduras.USAID-ACCESO/Fintrac Inc., CC BY-SA

President Donald Trump has long made blocking the thousands of Central Americans who head to the southern U.S. border, most of them seeking asylum, from entering and staying in the country a top priority.

His...

Read more: Is cutting Central American aid going to help stop the flow of migrants?

7 ways to build your child's vocabulary

  • Written by David Dickinson, Professor of Teaching & Learning, Vanderbilt University
The size of a child's vocabulary during the early years helps shape language skills later in life.Monkey Business Images/www.shutterstock.com

If you want your child to have a rich and fulfilling life, one of the best things you can do is help build your child’s vocabulary. Research shows strong language ability is associated with a number of p...

Read more: 7 ways to build your child's vocabulary

Israel could strike first as tensions with Iran flare

  • Written by Doreen Horschig, PhD Candidate in Security Studies, University of Central Florida
Israel has a powerful air force — and it's not afraid to strike neighbors it perceives as a national security threat.AP Photo/Ariel Schalit

Iran shot down a U.S. drone on June 19, further escalating tensions between Iran and its adversaries.

Relations with Iran have been worsening for months. In early May, one year after the United States...

Read more: Israel could strike first as tensions with Iran flare

Maryland 'Peace Cross' ruling: The Supreme Court rules that a cross stands for more than Christianity

  • Written by Corey D. B. Walker, Visiting Professor, University of Richmond
The 40-foot Peace Cross in Maryland dedicated to World War I soldiers.Maryland GovPics/Flickr, CC BY

The Supreme Court ruled on June 20 that a war memorial in Maryland in the shape of a Christian cross can stay on public land. The Bladensburg Peace Cross is a 40-foot cross erected as a memorial for those who died in service during World War I.

In a...

Read more: Maryland 'Peace Cross' ruling: The Supreme Court rules that a cross stands for more than...

Why Federal Reserve independence matters

  • Written by Michael Klein, Professor of International Economic Affairs, Fletcher School, Tufts University

Should you care if the Federal Reserve loses its independence?

It’s become a growing risk in recent years as President Donald Trump has repeatedly attacked the U.S. central bank over interest rate policy and tried to appoint his political allies to its board. Most recently, he reportedly has explored removing Fed Chair Jerome Powell, whom...

Read more: Why Federal Reserve independence matters

Is burning trash a good way to handle it? Waste incineration in 5 charts

  • Written by Ana Baptista, Assistant Professor of Environmental Policy and Sustainability Management, The New School
The Wheelabrator Waste to Energy Plant in Saugus, Massachusetts, has been burning trash to generate electricity since 1975.Fletcher6/Wikimedia, CC BY

Burning trash has a long history in the United States, and municipal solid waste incinerators have sparked resistance in many places. As an environmental justice scholar who works directly with...

Read more: Is burning trash a good way to handle it? Waste incineration in 5 charts

Supplements for brain health show no benefit – a neurologist explains a new study

  • Written by Steven DeKosky, Professor of Neurology, University of Florida
Older people often take many supplements, including ones purported to help with brain health. A recent study says the supplements do not work. Mladen Zivkovic/Shutterstock.com

Americans and others around the world have turned increasingly to dietary supplements in order to maintain or preserve their brain health.

A recent study found that a quarter...

Read more: Supplements for brain health show no benefit – a neurologist explains a new study

Math explains why the Democrats may have trouble picking a candidate

  • Written by Alexander Strang, Ph.D Candidate in Mathematics, Case Western Reserve University

With 24 declared candidates for the Democratic Party’s presidential nomination (and counting), many Americans are likely wondering how the party will ultimately make up its mind and settle on the best candidate.

Asmathematicians, we wondered whether there might not even be a best candidate. In fact, this is an established mathematical...

Read more: Math explains why the Democrats may have trouble picking a candidate

More Articles ...

  1. Why do people faint?
  2. So, what really is jihad?
  3. How the New York media covered the Stonewall riots
  4. Women are rising in the conservation movement, but still face #MeToo challenges
  5. Time to cook is a luxury many families don't have
  6. Facebook claims Libra offers economic empowerment to billions – an economist is skeptical
  7. With cryptocurrency launch, Facebook sets its path toward becoming an independent nation
  8. Nuclear weapons and Iran's uranium enrichment program: 4 questions answered
  9. American giving lost some ground in 2018 amid tax changes and stock market losses
  10. Sleep training for your kids: Why and how it works
  11. Detaining refugee children at military bases may sound un-American, but it's been done before
  12. The Supreme Court's Virginia uranium ruling hints at the limits of federal power
  13. Mass protests protect Hong Kong's legal autonomy from China – for now
  14. Thousands of asylum seekers left waiting at the US-Mexico border
  15. What does the dust in your home mean for your health?
  16. Most US drug arrests involve a gram or less
  17. No African American has won statewide office in Mississippi in 129 years – here's why
  18. The Trebek effect: The benefits of well wishes
  19. Fathers need to care for themselves as well as their kids – but often don't
  20. Divorced dads often dissed by schools
  21. When America had an open prison – the story of Kenyon Scudder and his 'prison without walls'
  22. Americans don't agree on whether the poor should chip in or do work in exchange for aid
  23. How an aid gusher helped and hurt Liberia
  24. Elder abuse increasing, without increased awareness
  25. Maryland has created a truth commission on lynchings – can it deliver?
  26. Seaweed and sea slugs rely on toxic bacteria to defend against predators
  27. Who’s your daddy? Don’t ask a DNA test
  28. European elections suggest US shouldn't be complacent in 2020
  29. Consumer genetic testing customers stretch their DNA data further with third-party interpretation websites
  30. What does the Trump administration want from Iran?
  31. For some, self-tracking means more than self-help
  32. How to handle raccoons, snakes and other critters in your yard (hint: not with a thermos)
  33. 'I still get tweets to go back in the kitchen' – the enduring power of sexism in sports media
  34. Rapid DNA analysis helps diagnose mystery diseases
  35. Fed’s dilemma: Inflation is healthy for the economy – but too much can trigger a recession
  36. Inflation is healthy for the economy – but too much can trigger a recession
  37. Food label nutrition facts matter to you, but don't tell you much about your gut microbes
  38. What the ban on gene-edited babies means for family planning
  39. What Orwell's '1984' tells us about today's world, 70 years after it was published
  40. Companies' self-regulation doesn't have to be bad for the public
  41. Could a weakening US economy imperil Trump's trade war against China?
  42. A growing source of Canadian asylum-seekers: US citizens whose parents were born elsewhere
  43. The Defense Department is worried about climate change – and also a huge carbon emitter
  44. The 25th Amendment wouldn’t work to dump Trump
  45. Artificial intelligence-enhanced journalism offers a glimpse of the future of the knowledge economy
  46. E-cig companies use cartoon characters as logos, and new study shows it works
  47. 23% of young black women now identify as bisexual
  48. Minorities face more obstacles to a lifesaving organ transplant
  49. Why Sudan's deadly crackdown on protesters could escalate in coming weeks
  50. Migrants will pay the price of Mexico's tariff deal with Trump