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Eager to dye your hair with 'nontoxic' graphene nanoparticles? Not so fast!

  • Written by Andrew Maynard, Director, Risk Innovation Lab, Arizona State University
Subbing new risks for the current dyes’ dangers?Evgeny Savchenko/Shutterstock.com

Graphene is something of a celebrity in the world of nanoscale materials. Isolated in 2004 by Nobel Prize winners Andre Geim and Konstantin Novoselov, these ultrathin sheets of carbon atoms are already finding novel uses in areas like electronics, high-efficiency...

Read more: Eager to dye your hair with 'nontoxic' graphene nanoparticles? Not so fast!

On his 250th birthday, Joseph Fourier's math still makes a difference

  • Written by Richard Gunderman, Chancellor's Professor of Medicine, Liberal Arts, and Philanthropy, Indiana University
Fourier's name is inscribed on the Eiffel Tower.philmciver/flickr, CC BY-NC

March 21 marks the 250th birthday of one of the most influential mathematicians in history. He accompanied Napoleon on his expedition to Egypt, revolutionized science’s understanding of heat transfer, developed the mathematical tools used today to create CT and MRI...

Read more: On his 250th birthday, Joseph Fourier's math still makes a difference

Some officials want to ban school suspensions – here's how that could backfire

  • Written by K. Juree Capers, Assistant Professor of Public Management and Policy, Georgia State University
Efforts to ban school suspensions to reduce racial disparities are on the rise, but experts warn they could backfire.pixelheadphoto digitalskillet/Shutterstock

When it comes to school discipline, the fact that low-income and minority students are more likely to get suspended than students who are white or more well off is nothing new.

In an effort...

Read more: Some officials want to ban school suspensions – here's how that could backfire

Merit matters in US immigration, but agreeing on what 'merit' means is complicated

  • Written by John Carson, Associate Professor of History, University of Michigan
A naturalization ceremony in Los Angeles. AP Photo/Damian Dovarganes

Fierce debate over who deserves to be an immigrant to the United States has drawn on for decades.

Recently, President Donald Trump and hardliner Republicans have proposed overhauling the U.S. immigration system to focus principally on “merit-based” immigration. As they...

Read more: Merit matters in US immigration, but agreeing on what 'merit' means is complicated

Silver nanoparticles in clothing wash out – and may threaten human health and the environment

  • Written by Sukalyan Sengupta, Professor of Wastewater Treatment, University of Massachusetts Dartmouth
There are nanometals in your washing machine.Evgeny Atamanenko

Humans have known since ancient times that silver kills or stops the growth of many microorganisms. Hippocrates, the father of medicine, is said to have used silver preparations for treating ulcers and healing wounds. Until the introduction of antibiotics in the 1940s, colloidal silver...

Read more: Silver nanoparticles in clothing wash out – and may threaten human health and the environment

Why Denmark dominates the World Happiness Report rankings year after year

  • Written by Marie Helweg-Larsen, Professor of Psychology, Dickinson College
Okay, we get it, you're happy – no need to rub it in.Very_Very/Shutterstock.com

The new World Happiness Report again ranks Denmark among the top three happiest of 155 countries surveyed – a distinction that the country has earned for seven consecutive years.

The U.S., on the other hand, ranked 18th in this year’s World Happiness...

Read more: Why Denmark dominates the World Happiness Report rankings year after year

MS-13 is a street gang, not a drug cartel – and the difference matters

  • Written by Steven S. Dudley, Senior Fellow, Center for Latin American and Latino Studies, American University

In October 2017, Attorney General Jeff Sessions announced that pursuing the Mara Salvatrucha, a Salvadoran gang also known as MS-13, was “a priority for our Organized Crime Drug Enforcement Task Forces.”

“Drugs are killing more Americans than ever before, in large part thanks to powerful cartels and international gangs and deadly...

Read more: MS-13 is a street gang, not a drug cartel – and the difference matters

Trump believes he can make an Israeli-Palestinian deal. Don't hold your breath

  • Written by David Mednicoff, Director, Middle Eastern Studies, University of Massachusetts Amherst
Palestinian laborers work at a construction site in an Israeli settlement near Jerusalem in 2017. AP Photo/Oded Balilty

For decades, U.S. presidents have been unable to broker a long-term settlement between Israel and Palestine. Deal-maker Donald Trump would like to accomplish what his predecessors could not in this area, and administration...

Read more: Trump believes he can make an Israeli-Palestinian deal. Don't hold your breath

Kurdish troops fight for freedom — and women's equality — on battlegrounds across Middle East

  • Written by Haidar Khezri, Adjunct Assistant Professor at the Department of Central Eurasian Studies (CEUS), Indiana University

For years, Kurdish fighters have been partners to the U.S. in the Middle East. From 2003 to 2017, they helped overthrow the regime of Saddam Hussein, battled al-Qaida and pushed the Islamic State out of northern Iraq and Syria.

In recent weeks, some of these same fierce fighters have been violently clashing with Turkish troops in the Syrian...

Read more: Kurdish troops fight for freedom — and women's equality — on battlegrounds across Middle East

Why Americans are unhappier than ever – and how to fix it

  • Written by George Ward, PhD Student, Massachusetts Institute of Technology
shutterstock

March 20 is International Day of Happiness and, as they’ve done every year, the United Nations has published the World Happiness Report. The U.S. ranks 18th among the world’s countries, with an average life satisfaction of around 6.88 on a scale of 10.

While that may be relatively near the top, America’s happiness...

Read more: Why Americans are unhappier than ever – and how to fix it

More Articles ...

  1. Recent stock market sell-off foreshadows a new Great Recession
  2. You're probably paying more for your car loan or mortgage than you should
  3. Sessions suing California is the latest battle in a centuries-old war for power over immigration
  4. A history of loneliness
  5. My Lai: 50 years after, American soldiers' shocking crimes must be remembered
  6. Black holes aren't totally black, and other insights from Stephen Hawking's groundbreaking work
  7. Xi's indefinite grasp on power has finally captured the West's attention – now what?
  8. Thomas Eakins: Brilliant painter, gifted photographer ... sexual predator?
  9. Just competing in March Madness is a fundraising win for the schools
  10. Americans should welcome the age of unexceptionalism
  11. Why Wikipedia often overlooks stories of women in history
  12. Stephen Hawking warned about the perils of artificial intelligence – yet AI gave him a voice
  13. Sustainable cities need more than parks, cafes and a riverwalk
  14. Zero tolerance discipline policies won't fix school shootings
  15. What is a tariff? An economist explains
  16. Fearless leader or lame duck? Putin's certain triumph heralds fresh uncertainty
  17. Pompeo's rise will make Mideast war more likely
  18. Can Haspel bring the CIA in from the cold?
  19. Haspel is Trump's chance to reset his bad start with the CIA
  20. Stephen Hawking as accidental ambassador for assistive technologies
  21. In Pennsylvania's 18th, a very important, unimportant election
  22. Colombian guerrilla leader ends controversial presidential bid, giving peace a chance
  23. Controversial brain study has scientists rethinking neuron research
  24. The man responsible for making March Madness the moneymaking bonanza it is today
  25. What to expect when a college assigns students to random roommates
  26. Does cloud seeding work? Scientists watch ice crystals grow inside clouds to find out
  27. Where does the controversial finding that adult human brains don't grow new neurons leave ongoing research?
  28. What the National School Walkout says about schools and free speech
  29. Why do gun-makers get special economic protection?
  30. Could the open government movement shut the door on Freedom of Information?
  31. How Trump can avoid the setbacks that doomed North Korean nuclear talks in the past
  32. Booze and basketball: Why binge drinking increases during March Madness
  33. Why bland American beer is here to stay
  34. People are stranded in 'transit deserts' in dozens of US cities
  35. This March Madness, we're using machine learning to predict upsets
  36. DeVos and the limits of the education reform movement
  37. Potent Mexico City earthquake was a rare 'bending' quake, study finds – and it could happen again
  38. El sismo que azotó a la Ciudad de México fue 'peculiar' y podría pasar de nuevo, según estudio
  39. 10 things to know about the real St. Patrick
  40. Why mental health treatment is not an easy solution to violence
  41. Teaching students how to dissent is part of democracy
  42. Trump-Hitler comparisons too easy and ignore the murderous history
  43. Celebrating Marion Walter – and other unsung female mathematicians
  44. What is March Madness – and the nonprofit that manages the mayhem?
  45. Embroidering electronics into the next generation of 'smart' fabrics
  46. Adult human brains don't grow new neurons in hippocampus, contrary to prevailing view
  47. Is the NRA an educational organization? A lobby group? A nonprofit? A media outlet? Yes
  48. Trump meets Kim Jong Un: 5 essential reads
  49. Why child care costs more than college tuition - and how to make it more affordable
  50. There are dozens of sea snake species in the Indian and Pacific oceans, but none in the Atlantic or Caribbean. Why?