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Most air cleaning devices have not been tested on people − and little is known about their potential harms, new study finds

  • Written by Amiran Baduashvili, Associate Professor of Medicine, University of Colorado Anschutz Medical Campus
imageSome portable air cleaners generate chemicals such as ozone, formaldehyde and hydroxyl radicals to kill microbes.ArtistGNDphotography/E+ via Getty Images

Portable air cleaners aimed at curbing indoor spread of infections are rarely tested for how well they protect people – and very few studies evaluate their potentially harmful effects....

Read more: Most air cleaning devices have not been tested on people − and little is known about their...

AI has passed the aesthetic Turing Test − and it’s changing our relationship with art

  • Written by Tamilla Triantoro, Associate Professor of Business Analytics and Information Systems, Quinnipiac University
imageIt may not have a soul, but AI has learned the mathematical recipe for the sights and sounds that most people find moving.Jacob Wackerhausen/iStock via Getty Images Plus

Pick up an August 2025 issue of Vogue and you’ll come across an advertisement for the brand Guess featuring a stunning model. Yet tucked away in small print is a startling...

Read more: AI has passed the aesthetic Turing Test − and it’s changing our relationship with art

Colorado’s subalpine wetlands may be producing a toxic form of mercury – that’s a concern for downstream water supplies

  • Written by Eve-Lyn Hinckley, Associate Professor of Biogeochemistry, University of Colorado Boulder
imageThe drinking water used in many of Colorado's cities passes through mountain wetlands.Eve-Lyn Hinckley

The wetlands found across the Rocky Mountains of Colorado just below tree line are magical places. Dripping with mosses and deep green sedges, these open expanses flanked by evergreens are a breathtaking sight for passing hikers. Moose graze...

Read more: Colorado’s subalpine wetlands may be producing a toxic form of mercury – that’s a concern for...

Before celebrating big gifts, charities must watch out for fake donors

  • Written by Sarah Webber, Associate Professor of Accounting, University of Dayton

A New York philanthropist and personal assistant to billionaires, Matthew Christopher Pietras, allegedly stole millions from his employers and donated large sums to prominent charities to maintain a facade of status, wealth and generosity.

Those schemes came to light when the Metropolitan Opera became aware that a US$10 million donation Pietras...

Read more: Before celebrating big gifts, charities must watch out for fake donors

Trump administration has proven no friend to organized labor, from attacking federal unions to paralyzing the National Labor Relations Board

  • Written by Jake Rosenfeld, Professor of Sociology, Washington University in St. Louis
imagePresident Donald Trump waves goodbye to reporters following a meeting with the Teamsters in 2024.Chip Somodevilla/Getty Images

During the 2024 election campaign, the Republican Party’s historically fraught relationship with organized labor appeared to be changing. Several influential Republicans reached out to unions, seeking to cement the...

Read more: Trump administration has proven no friend to organized labor, from attacking federal unions to...

In a closely divided Congress, aging lawmakers are a problem for Democrats

  • Written by Charlie Hunt, Associate Professor of Political Science, Boise State University
imageRep. Jerry Nadler, the 18-term Democratic incumbent running for reelection in New York, began his political career more than 20 years before Liam Elkind, his primary opponent, was born.Timothy A. Clary/AFP via Getty Images

The 2026 midterms are more than a year away, but some high-profile primary election battles in the Democratic Party are gaining...

Read more: In a closely divided Congress, aging lawmakers are a problem for Democrats

Even if Trump succeeds in bringing Putin and Zelenskyy together, don’t expect wonders − their only previous face-to-face encounter ended in failure

  • Written by Anna Batta, Associate Professor of International Security Studies, Air University
imageRussian President Vladimir Putin and Ukrainian President Volodymyr Zelenskyy arrive at the Elysee Palace in Paris in 2019.Ian Langsdon/Pool Photo via AP

Donald Trump has raised the prospect of directs talks between Presidents Vladimir Putin of Russia and Volodymyr Zelenskyy of Ukraine, in what would be the first such encounter in more than three...

Read more: Even if Trump succeeds in bringing Putin and Zelenskyy together, don’t expect wonders − their only...

What an old folktale can teach us about the ‘annoying persistence’ of political comedians

  • Written by Perin Gürel, Associate professor of American Studies, University of Notre Dame
imageStephen Colbert has been defiant following the cancellation of The Late Show.Photo by Richard Shotwell/Invision/AP

Fear of reprisals from the Trump administration has made many people cautious about expressing their opinions. Fired federal workers are asking not to be quoted by their name, for fear of losing housing. Business leaders are concerned...

Read more: What an old folktale can teach us about the ‘annoying persistence’ of political comedians

Data centers consume massive amounts of water – companies rarely tell the public exactly how much

  • Written by Peyton McCauley, Water Policy Specialist, Sea Grant UW Water Science-Policy Fellow, University of Wisconsin-Milwaukee
imageThe Columbia River running through The Dalles, Oregon, supplies water to cool data centers.AP Photo/Andrew Selsky

As demand for artificial intelligence technology boosts construction and proposed construction of data centers around the world, those computers require not just electricity and land, but also a significant amount of water. Data centers...

Read more: Data centers consume massive amounts of water – companies rarely tell the public exactly how much

Chaos gardening – wild beauty, or just a mess? A sustainable landscape specialist explains the trend

  • Written by Deryn Davidson, Sustainable Landscape State Specialist, Extension, Colorado State University
imageA mix of annuals and perennials can look colorful and carefree.Deryn Davidson

If you’ve spent any time in the gardening corners of social media lately, you’ve likely come across a trend called “chaos gardening.”

The name alone is eye-catching – equal parts fun, rebellious and slightly alarming. Picture someone tossing...

Read more: Chaos gardening – wild beauty, or just a mess? A sustainable landscape specialist explains the trend

More Articles ...

  1. One of Hurricane Katrina’s most important lessons isn’t about storm preparations – it’s about injustice
  2. Misspelled names may give brands a Lyft – if the spelling isn’t too weird
  3. Reverse discrimination? In spite of the MAGA bluster over DEI, data shows white Americans are still advantaged
  4. Alaska summit and its afterlife provides a glimpse into what peace looks like to Putin and Trump
  5. 1 in 5 Bolivians spoiled their ballots – a sign of voter dissatisfaction as nation tips to the right
  6. AI is about to radically alter military command structures that haven’t changed much since Napoleon’s army
  7. Some pro athletes keep getting better as they age − neuroscience can explain how they stay sharp
  8. Data-driven early intervention strategies could revolutionize Philly’s approach to crime prevention
  9. Data that taxpayers have paid for and rely on is disappearing – here’s how it’s happening and what you can do about it
  10. Do people dream in color or black and white?
  11. NASA wants to put a nuclear reactor on the Moon by 2030 – choosing where is tricky
  12. At one elite college, over 80% of students now use AI – but it’s not all about outsourcing their work
  13. Twelver Shiism – a branch of Islam that serves both as a spiritual and political force in Iran and beyond
  14. Cultivating for color: The hidden trade-offs between garden aesthetics and pollinator preferences
  15. Trump-Putin summit: Veteran diplomat explains why putting peace deal before ceasefire wouldn’t end Russia-Ukraine war
  16. Why universities are hiring more chief marketing officers – even as budgets shrink
  17. Kids need soft skills in the age of AI, but what does this mean for schools?
  18. Grand Canyon’s Dragon Bravo megafire shows the growing wildfire threat to water systems
  19. RFK Jr.’s plans to overhaul ‘vaccine court’ system would face legal and scientific challenges
  20. Protestant ideas shaped Americans’ support for birth control – and the Supreme Court ruling protecting a husband and wife’s right to contraception
  21. When workers’ lives outside work are more fulfilling, it benefits employers too
  22. Sanctuary cities in the US were born in the 1980s as Central American refugees fled civil wars
  23. Afghans in US face uncertainty after the cancellation of their humanitarian relief
  24. The growing fad of ‘microdosing’ mushrooms is leading to an uptick in poison control center calls and emergency room visits
  25. Why rural Coloradans feel ignored − a resentment as old as America itself
  26. ‘It’s a complicated time to be a white Southerner’ − and their views on race reflect that
  27. Older Americans are using AI − study shows how and what they think of it
  28. Genomics can help insect farmers avoid pitfalls of domestication
  29. Exactly what is in the Ivy League deals with the Trump administration – and how they compare
  30. The paradox of pluralism: How college shapes students’ views of other religions
  31. Crowdfunded companies are ‘ghosting’ their investors – and getting away with it
  32. Glacial lake flood hits Juneau, Alaska, reflecting a growing global risk as mountain glaciers melt
  33. Climate models reveal how human activity may be locking the Southwest into permanent drought
  34. COVID-19 vaccines for kids are mired in uncertainty amid conflicting federal guidance
  35. Mindfulness is gaining traction in American schools – but it isn’t clear what students are learning
  36. Where America’s CO emissions come from – what you need to know, in charts
  37. Don’t write off the Putin-Trump summit just yet – its outcome might confound critics
  38. 4 out of 5 US troops surveyed understand the duty to disobey illegal orders
  39. How poisoned data can trick AI − and how to stop it
  40. Spiderweb silks and architectures reveal millions of years of evolutionary ingenuity
  41. Grief feels unbearable, disorienting and chaotic – a grief researcher and widow shares evidence-based ways to face the early days of loss
  42. AI is making reading books feel obsolete – and students have a lot to lose
  43. Labor Day and May Day emerged from the movement for a shorter workday in industrial America
  44. The new NextGen Acela trains promise faster travel and more seats – but arrive as US rail faces an uncertain future
  45. 4 laws that could stymie the Trump EPA’s plan to rescind the endangerment finding that underpins US climate policies
  46. The dark history of forced starvation as a weapon of war against Indigenous peoples
  47. Getting beyond answers like ‘fine’ and ‘nothing’: 5 simple ways to spark real talk with kids
  48. 4 laws that could stymie the Trump EPA’s plan to rescind the endangerment finding, central to US climate policies
  49. San Francisco and other cities, following a Supreme Court ruling, are arresting more homeless people for living on the streets
  50. Women in STEM face challenges and underrepresentation – this course gives them tools to succeed