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Why too much phosphorus in America’s farmland is polluting the country’s water

  • Written by Dinesh Phuyal, Postdoctoral Associate in Soil, Water and Ecosystem Sciences, University of Florida
imageA spreader sprays sewage sludge, which is rich in phosphorus, across a farm in Oklahoma.AP Photo/Joshua A. Bickel

When people think about agricultural pollution, they often picture what is easy to see: fertilizer spreaders crossing fields or muddy runoff after a heavy storm. However, a much more significant threat is quietly and invisibly building...

Read more: Why too much phosphorus in America’s farmland is polluting the country’s water

Marine protected areas aren’t in the right places to safeguard dolphins and whales in the South Atlantic

  • Written by Guilherme Maricato, Pós-doutorando no Programa de Pós-Graduação em Ecologia, UFRJ
imageWhales have become increasingly common in regions such as the northern coast of São Paulo, which also has heavy ship traffic.Julio Cardoso/Projeto Baleia à Vista

The ocean is under increasing pressure. Everyday human activities, from shipping to oil and gas exploration to urban pollution, are affecting the marine environment....

Read more: Marine protected areas aren’t in the right places to safeguard dolphins and whales in the South...

How the polar vortex and warm ocean are intensifying a major US winter storm

  • Written by Mathew Barlow, Professor of Climate Science, UMass Lowell
imageBoston and much of the U.S. faced a cold winter blast in January 2026.Craig F. Walker/The Boston Globe via Getty Images

A severe winter storm sweeping across the central and eastern U.S. in late January 2026 is threatening states from Texas to New England with crippling freezing rain, sleet and snow. Several governors issued states of emergency as...

Read more: How the polar vortex and warm ocean are intensifying a major US winter storm

How the polar vortex and warm ocean intensified a major US winter storm

  • Written by Mathew Barlow, Professor of Climate Science, UMass Lowell
imageBoston and much of the U.S. faced a cold winter blast in January 2026.Craig F. Walker/The Boston Globe via Getty Images

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands of people lost power across...

Read more: How the polar vortex and warm ocean intensified a major US winter storm

ICE immigration tactics are shocking more Americans as US-Mexico border operations move north

  • Written by Kelsey Norman, Fellow for the Middle East, Baker Institute for Public Policy, Rice University
imageFederal agents deploy tear gas as residents protest a federal agent-involved shooting during an immigration enforcement operation in Minneapolis, Minn., on Jan. 14, 2026.Madison Thorn/Anadolu via Getty Images

Over the past year, images of masked, heavily armed Immigration and Customs Enforcement agents arresting men, women and children –...

Read more: ICE immigration tactics are shocking more Americans as US-Mexico border operations move north

‘We want you arrested because we said so’ – how ICE’s policy on raiding whatever homes it wants violates a basic constitutional right, according to a former federal judge

  • Written by John E. Jones III, President, Dickinson College
imageTeyana Gibson Brown, wife of Liberian immigrant Garrison Gibson, reacts after a federal immigration officer arrested her husband in a warrantless raid in Minneapolis, Jan. 11, 2026, in what a judge later ruled was a violation of Gibson's Fourth Amendment rights. AP Photo/John Locher

As Immigration and Customs Enforcement, or ICE, agents continued...

Read more: ‘We want you arrested because we said so’ – how ICE’s policy on raiding whatever homes it wants...

Dogs can need more than kibble, walks and love − consider the escalating expenses of their medical care before you adopt

  • Written by David L. Weimer, Professor of Political Economy Emeritus, University of Wisconsin-Madison
imageA man holds his 17½-year-old Chihuahua mix, which is receiving end-of-life hospice care. Brittany Murray/MediaNews Group via Long Beach Press-Telegram and Getty Images

Many Americans struggle to pay for health care for themselves and other members of their families, even if they have insurance coverage.

Some very big bills arise when the...

Read more: Dogs can need more than kibble, walks and love − consider the escalating expenses of their medical...

Your brain can be trained, much like your muscles – a neurologist explains how to boost your brain health

  • Written by Joanna Fong-Isariyawongse, Associate Professor of Neurology, University of Pittsburgh
imageResearch shows that the brain can be exercised, much like our muscles.RapidEye/E+ via Getty Images

If you have ever lifted a weight, you know the routine: challenge the muscle, give it rest, feed it and repeat. Over time, it grows stronger.

Of course, muscles only grow when the challenge increases over time. Continually lifting the same weight the...

Read more: Your brain can be trained, much like your muscles – a neurologist explains how to boost your brain...

Rheumatoid arthritis has no cure – but researchers are homing in on preventing it

  • Written by Kevin Deane, Professor of Medicine and Rheumatology, University of Colorado Anschutz Medical Campus
imageGentle massaging can help ease the joint pain and swelling from rheumatoid arthritis.Toa55/iStock via Getty Images Plus

More than 18 million people worldwide suffer from rheumatoid arthritis, including nearly 1.5 million Americans.

Rheumatoid arthritis is an autoimmune, inflammatory form of arthritis, meaning a person’s immune system attacks...

Read more: Rheumatoid arthritis has no cure – but researchers are homing in on preventing it

Feeling unprepared for the AI boom? You’re not alone

  • Written by Patrick Barry, Clinical Assistant Professor of Law and Director of Digital Academic Initiatives, University of Michigan
imageMany workers feel helpless – and anticipate widespread economic displacement – as companies scramble to incorporate AI into their business models.imagedepotpro/iStock via Getty Images

Journalist Ira Glass, who hosts the NPR show “This American Life,” is not a computer scientist. He doesn’t work at Google, Apple or...

Read more: Feeling unprepared for the AI boom? You’re not alone

More Articles ...

  1. Is being virtuous good for you – or just people around you? A study suggests traits like compassion may support your own well-being
  2. Doing things alone is on the rise, and businesses should pay more attention to that – even on Valentine’s Day
  3. Dealing with a difficult relationship? Here’s how psychology says you can shift the dynamic
  4. The rise of Reza Pahlavi: Iranian opposition leader or opportunist?
  5. AI-induced cultural stagnation is no longer speculation − it’s already happening
  6. ‘Expertise’ shouldn’t be a bad word – expert consensus guides science and society
  7. Trump’s insistence on personal loyalty from ambassadors could crimp US foreign policy
  8. Hacking the grid: How digital sabotage turns infrastructure into a weapon
  9. Lebanon’s orchards have been burnt, wildlife habitat destroyed by Israeli strikes – raising troubling international law questions
  10. Companies are already using agentic AI to make decisions, but governance is lagging behind
  11. US turns its back on global efforts for women and children terrorized by violence and conflict
  12. A government can choose to investigate the killing of a protester − or choose to blame the victim and pin it all on ‘domestic terrorism’
  13. When it comes to developing policies on AI in K-12, schools are largely on their own
  14. Bearing witness after the witnesses are gone: How to bring Holocaust education home for a new generation
  15. From ancient Rome to today, war-makers have talked constantly about peace
  16. Antibiotic resistance could undo a century of medical progress – but four advances are changing the story
  17. Filming ICE is legal but exposes you to digital tracking – here’s how to minimize the risk
  18. Federal immigration enforcement near schools disrupts attendance, traumatizes students and damages their academic performance
  19. America’s next big clean energy resource could come from coal mine pollution – if we can agree on who owns it
  20. Despite its steep environmental costs, AI might also help save the planet
  21. Why ‘unwinding’ with screens may be making us more stressed – here’s what to try instead
  22. America’s next big critical minerals source could be coal mine pollution – if we can agree on who owns it
  23. The only thing limiting Taylor Swift’s popularity is partisan polarization
  24. Trump’s stated reasons for taking Greenland are wrong – but the tactics fit with the plan to limit China’s economic interests
  25. The world is in water bankruptcy, UN scientists report – here’s what that means
  26. AI cannot automate science – a philosopher explains the uniquely human aspects of doing research
  27. What ‘hope’ has represented in Christian history – and what it might mean now
  28. Some hard-earned lessons from Detroit on how to protect the safety net for community partners in research
  29. Iran’s universities have long been a battleground, where protests happen and students fight for the future
  30. Why Philly has so many sinkholes
  31. What air pollution does to the human body
  32. What triumphalist narratives about Brazil’s high court and Bolsonaro imprisonment leave out
  33. What a bear attack in a remote valley in Nepal tells us about the problem of aging rural communities
  34. Opera is not dying – but it needs a second act for the streaming era
  35. Trump’s Greenland ambitions could wreck 20th-century alliances that helped build the modern world order
  36. Are there thunderstorms on Mars? A planetary scientist explains the red planet’s dry, dusty storms
  37. An ultrathin coating for electronics looked like a miracle insulator − but a hidden leak fooled researchers for over a decade
  38. For 80 years, the president’s party has almost always lost House seats in midterm elections, a pattern that makes the 2026 congressional outlook clear
  39. Chavismo has adapted before – but can Venezuela’s leftist ideology become US friendly and survive?
  40. Supreme Court is set to rule on constitutionality of Trump tariffs – but not their wisdom
  41. 12 ways the Trump administration dismantled civil rights law and the foundations of inclusive democracy in its first year
  42. Thecla, the beast fighter: The saint who faced down lions and killer seals is one of many ‘leading ladies’ in early Christian texts
  43. American farmers, who once fed the world, face a volatile global market with diminishing federal backing
  44. Deep reading can boost your critical thinking and help you resist misinformation – here’s how to build the skill
  45. Iran’s latest internet blackout extends to phones and Starlink
  46. New variant of the flu virus is driving surge of cases across the US and Canada
  47. International aid groups are dealing with the pain of slashed USAID funding by cutting staff, localizing and coordinating better
  48. Colorado ranchers and consumers can team up to make beef supply chains more sustainable
  49. Raccoons break into liquor stores, scale skyscrapers and pick locks – studying their clever brains can clarify human intelligence, too
  50. Googoosh, the ‘Voice of Iran,’ has gone quiet – and that’s her point