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How germy is the public pool? An infectious disease expert weighs in on poop, pee and perspiration – and the deceptive smell of chlorine

  • Written by Lisa Cuchara, Professor of Biomedical Sciences, Quinnipiac University
imageA 2023 CDC report tracked more than 200 pool-associated outbreaks over a four-year period. But a few basic precautions can ward off these dangers.Maria Korneeva/Moment via Getty Images

On hot summer days, few things are more refreshing than a dip in the pool. But have you ever wondered if the pool is as clean as that crystal blue water appears?

As...

Read more: How germy is the public pool? An infectious disease expert weighs in on poop, pee and perspiration...

2 ways cities can beat the heat: Which is best, urban trees or cool roofs?

  • Written by Ian Smith, Research Scientist in Earth & Environment, Boston University
imageTrees like these in Boston can help keep neighborhoods cooler on hot days.Yassine Khalfalli/Unsplash, CC BY

When summer turns up the heat, cities can start to feel like an oven, as buildings and pavement trap the sun’s warmth and vehicles and air conditioners release more heat into the air.

The temperature in an urban neighborhood with few...

Read more: 2 ways cities can beat the heat: Which is best, urban trees or cool roofs?

Urban trees vs. cool roofs: What’s the best way for cities to beat the heat?

  • Written by Ian Smith, Research Scientist in Earth & Environment, Boston University
imageTrees like these in Boston can help keep neighborhoods cooler on hot days.Yassine Khalfalli/Unsplash, CC BY

When summer turns up the heat, cities can start to feel like an oven, as buildings and pavement trap the sun’s warmth and vehicles and air conditioners release more heat into the air.

The temperature in an urban neighborhood with few...

Read more: Urban trees vs. cool roofs: What’s the best way for cities to beat the heat?

Understanding the violence against Alawites and Druze in Syria after Assad

  • Written by Güneş Murat Tezcür, Professor and Director of the School of Politics and Global Studies, Arizona State University
imageBedouin fighters at Mazraa village on the outskirts of Sweida city, during clashes in southern Syria on July 18, 2025. AP Photo/Ghaith Alsayed

In July 2025, clashes between the Druze religious minority and Sunni Arabs backed by government-affiliated forces led to hundreds of deaths in Sweida province in southern Syria. Israel later launched dozens...

Read more: Understanding the violence against Alawites and Druze in Syria after Assad

Binary star systems are complex astronomical objects − a new AI approach could pin down their properties quickly

  • Written by Andrej Prša, Professor of Astrophysics and Planetary Science, Villanova University
imageIn a binary star system, two stars orbit around each other. ESO/L. Calçada, CC BY

Stars are the fundamental building blocks of our universe. Most stars host planets, like our Sun hosts our solar system, and if you look more broadly, groups of stars make up huge structures such as clusters and galaxies. So before astrophysicists can attempt...

Read more: Binary star systems are complex astronomical objects − a new AI approach could pin down their...

I teach college and report on Colorado media — there should be more professors doing the same in other states

  • Written by Corey Hutchins, Manager, Colorado College Journalism Institute, Colorado College
imageNewsletters that cover a state's media landscape are few and far between, according to a new report.iStock / Getty Images Plus

Over the years, the crisis facing local news has meant the disappearance of reporting on the arts, politics, sports and local government.

Newspapers have disappeared from many local communities, and the ranks of individual...

Read more: I teach college and report on Colorado media — there should be more professors doing the same in...

Trump has fired the head of the Library of Congress, but the 225-year-old institution remains a ‘library for all’ – so far

  • Written by Alex H. Poole, Associate Professor of Information Science, Drexel University
imageThe main reading room is seen at the Library of Congress on June 13, 2025, in Washington. Kevin Carter/Getty Images

Carla Hayden, the 14th librarian of Congress, who has held the position since 2016, received an unexpected email on May 8, 2025.

“Carla, on behalf of President Donald J. Trump, I am writing to inform you that your position as...

Read more: Trump has fired the head of the Library of Congress, but the 225-year-old institution remains a...

How the nature of environmental law is changing in defense of the planet and the climate

  • Written by Dana Zartner, Professor of International Studies, University of San Francisco
imageA 2017 New Zealand law recognizes inherent rights of the Whanganui River. Jason Pratt, CC BY-SA

While the dangerous effects of climate change continue to worsen, legal efforts to address a range of environmental issues are also on the rise.

Headlines across the globe tout many of these legal actions: South Korea’s Climate Law Violates Rights...

Read more: How the nature of environmental law is changing in defense of the planet and the climate

Beijing’s ‘plausible deniability’ on arms supply is quickly becoming implausible – and could soon extend to Iran

  • Written by Linggong Kong, Ph.D. Candidate in Political Science, Auburn University
imageCould longtime allies have a closer relationship than meets the eye?Thomas Peter/Pool Photo via AP

China has long maintained that it does not supply arms to any party at war – a central tenet of its “noninterference” foreign policy. But in recent years, Beijing has repeatedly faced accusations of doing the opposite: providing...

Read more: Beijing’s ‘plausible deniability’ on arms supply is quickly becoming implausible – and could soon...

Imaginary athletes: Creating make-believe teammates, competitors and coaches during play

  • Written by Tracy Gleason, Professor of Psychology, Wellesley College
imageWhat would an imaginary companion add to a child's solo practice?Elkhophoto/iStock via Getty Images Plus

The coach, the specialized equipment, the carefully tailored exercise regimen – they’re all key to athletic performance. But imagination might be an unexpected asset when it comes to playing sports.

The idea that athletic achievement...

Read more: Imaginary athletes: Creating make-believe teammates, competitors and coaches during play

More Articles ...

  1. Bangladesh sees small glimmers of economic hope a year after longtime autocrat ousted in people’s revolt
  2. One of the biggest microplastic pollution sources isn’t straws or grocery bags – it’s your tires
  3. What the world can learn from Uruguay as the global housing crisis deepens
  4. Generative AI is coming to the workplace, so I designed a business technology class with AI baked in
  5. Methane leaks from gas pipelines are a hidden source of widespread air pollution
  6. Emil Bove’s appeals court nomination echoes earlier controversies, but with a key difference
  7. PBS and NPR are generally unbiased, independent of government propaganda and provide key benefits to US democracy
  8. Dogs are helping people regulate stress even more than expected, research shows
  9. Amid fragile ceasefire, violence in southern Syria brings Druze communities’ complex cross-border ties to the fore
  10. How mothers supporting mothers can help fill the health care worker shortage gap and other barriers to care
  11. Microbes in deep-sea volcanoes can help scientists learn about early life on Earth, or even life beyond our planet
  12. Comparing ICE to the Gestapo reveals people’s fears for the US – a Holocaust scholar explains why Nazi analogies remain common, yet risky
  13. ‘Democratizing space’ is more than just adding new players – it comes with questions around sustainability and sovereignty
  14. Filipino sailors dock in Mexico … and help invent tequila?
  15. Why is heart cancer so rare? A biologist explains
  16. How the world’s nuclear watchdog monitors facilities around the world – and what it means that Iran kicked it out
  17. How the QAnon movement entered mainstream politics – and why the silence on Epstein files matters
  18. How the ‘big, beautiful bill’ will deepen the racial wealth gap – a law scholar explains how it reduces poor families’ ability to afford food and health care
  19. ‘I just couldn’t stop crying’: How prison affects Black men’s mental health long after they’ve been released
  20. Leaders in India, Hungary and the US are using appeals to nostalgia and nationalism to attack higher education
  21. Florida plan to deputize National Guard officers as immigration judges at Alligator Alcatraz would likely violate constitutional rights
  22. About a third of pregnant women in the US lack sufficient vitamin D to support healthy pregnancies − new research
  23. Can AI think – and should it? What it means to think, from Plato to ChatGPT
  24. Idi Amin made himself out to be the ‘liberator’ of an oppressed majority – a demagogic trick that endures today
  25. Clawback of $1.1B for PBS and NPR puts rural stations at risk – and threatens a vital source of journalism
  26. Why male corporate leaders and billionaires may need financial therapy more than anyone
  27. Poll finds bipartisan agreement on a key issue: Regulating AI
  28. When grief involves trauma − a social worker explains how to support survivors of the recent floods and other devastating losses
  29. Supreme Court news coverage has talked a lot more about politics ever since the 2016 death of Scalia and GOP blocking of Obama’s proposed nominee
  30. Children living near oil and gas wells face higher risk of rare leukemia, studies show
  31. Research replication can determine how well science is working – but how do scientists replicate studies?
  32. Philly’s City Council turned down a new rental inspection program − studies show that might harm tenants’ health
  33. Data can show if government programs work or not, but the Trump administration is suppressing the necessary information
  34. College ‘general education’ requirements help prepare students for citizenship − but critics say it’s learning time taken away from useful studies
  35. Catholic clergy are speaking out on immigration − more than any other political issue except abortion
  36. Why drones and AI can’t quickly find missing flood victims, yet
  37. The golden oyster mushroom craze unleashed an invasive species – and a worrying new study shows it’s harming native fungi
  38. What is peer review? The role anonymous experts play in scrutinizing research before it gets published
  39. University students feel ‘anxious, confused and distrustful’ about AI in the classroom and among their peers
  40. Examining mushrooms under microscopes can help engineers design stronger materials
  41. What makes ‘great powers’ great? And how will they adapt to a multipolar world?
  42. California farmers identify a hot new cash crop: Solar power
  43. Angels, witches, crystals and black cats: How supernatural beliefs vary across different groups in the US
  44. China’s insertion into India-Pakistan waters dispute adds a further ripple in South Asia
  45. Trump free to begin gutting Department of Education after Supreme Court ‘shadow’ ruling − 5 essential reads
  46. Florida is fronting the $450M cost of Alligator Alcatraz – a legal scholar explains what we still don’t know about the detainees
  47. Rethinking the MBA: Character as the educational foundation for future business leaders
  48. Weird space weather seems to have influenced human behavior on Earth 41,000 years ago – our unusual scientific collaboration explores how
  49. Sculptor galaxy image provides brilliant details that will help astronomers study how stars form
  50. Many Texas communities are dangerously unprepared for floods − lack of funding plays a big role