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Minnesota raises unprecedented constitutional issues in its lawsuit against Trump administration anti-immigrant deployment

  • Written by Andrea Katz, Associate Professor of Law, Washington University in St. Louis
imageFederal immigration officers are seen outside the Bishop Whipple Federal Building in Minneapolis on Jan. 12, 2026.AP Photo/Jen Golbeck

A federal judge heard arguments on Jan. 26, 2026, as the state of Minnesota sought a temporary restraining order to stop the Trump administration’s immigration enforcement operation in the state. The...

Read more: Minnesota raises unprecedented constitutional issues in its lawsuit against Trump administration...

Groundhogs are lousy forecasters but valuable animal engineers – and an important food source

  • Written by Steven Sullivan, Director of the Hefner Museum of Natural History, Miami University
imageMarmot chomping and digging can keep trees at bay and fields flower-filled.DieterMeyrl/E+ via Getty Images

Whether you call him groundhog, woodchuck, whistle-pig or use the full genus and species name, Marmota monax, the nation’s premiere animal weather forecaster has been making headlines as Punxsutawney Phil for decades.

The largest ground...

Read more: Groundhogs are lousy forecasters but valuable animal engineers – and an important food source

A more complete Latin American history, including centuries of US influence, helps students understand the complexities surrounding Nicolás Maduro’s arrest

  • Written by Lightning Jay, Assistant Professor of Teaching, Learning and Educational Leadership, Binghamton University, State University of New York
imageA woman shows a portrait of ousted Venezuelan President Nicolás Maduro during a demonstration in Caracas on Jan. 21, 2026. Pedro Mattey/AFP via Getty Images

Many of our college freshman students will have seen and read about the Jan. 3, 2026, U.S. military operation in Venezuela that culminated in the arrest of its leader, Nicolás...

Read more: A more complete Latin American history, including centuries of US influence, helps students...

Ending tax refunds by check will speed payments, but risks sidelining people who don’t have bank accounts

  • Written by Beverly Moran, Professor Emerita of Law, Vanderbilt University

More than 6 million Americans receive paper tax refund checks annually. Often, those refunds go to purchase groceries or pay the bills. But this year, those taxpayers may be surprised to learn that the paper check they’re waiting for no longer exists.

That’s because of executive order 14247, which President Donald Trump signed in 2025....

Read more: Ending tax refunds by check will speed payments, but risks sidelining people who don’t have bank...

US hospitality and tourism professors don’t mirror the demographics of the industry they serve

  • Written by Michael D. Caligiuri, Assistant Professor of Organizational Behavior, California State Polytechnic University, Pomona
imageTourists are diverse. Are tourism professors?Grant Baldwin/Getty Images

White and male professors continue to dominate U.S. hospitality and tourism education programs, our new research has found, even as the industry is growing increasingly diverse. This imbalance raises questions about who shapes the future of hospitality and whose voices are left...

Read more: US hospitality and tourism professors don’t mirror the demographics of the industry they serve

Where do seashells come from?

  • Written by Michal Kowalewski, Thompson Chair of Invertebrate Paleontology, University of Florida

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

Where do seashells come from? – Ivy, age 5, Phoenix, Arizona

Seashells are so plentiful that you may sometimes take them for granted.

Scientists have estimated that just one small stretch...

Read more: Where do seashells come from?

Malaria researchers are getting closer to outsmarting the world’s deadliest parasite

  • Written by Kwesi Akonu Adom Mensah Forson, PhD. Candidate in Biology, University of Virginia
imageMalaria is transmitted to people by mosquitoes infected with a parasite from the _Plasmodium_ family. Jim Gathany via CDC/Dr. William Collins

Every year, malaria kills more than 600,000 people worldwide. Most of them are children under 5 in sub-Saharan Africa. But the disease isn’t confined to poor, rural areas – it’s a global...

Read more: Malaria researchers are getting closer to outsmarting the world’s deadliest parasite

How Trump’s Greenland threats amount to an implicit rejection of the legal principles of Nuremberg

  • Written by Michael Blake, Professor of Philosophy, Public Policy and Governance, University of Washington
imageDaily life on a street at sunset in Nuuk, Greenland, on Jan. 21, 2026. AP Photo/Evgeniy Maloletka

U.S. President Donald Trump has, for the moment, indicated a willingness to abandon his threat to take over Greenland through military force – saying that he prefers negotiation to invasion. He is, however, continuing to assert that the United...

Read more: How Trump’s Greenland threats amount to an implicit rejection of the legal principles of Nuremberg

Artificial metacognition: Giving an AI the ability to ‘think’ about its ‘thinking’

  • Written by Ricky J. Sethi, Professor of Computer Science, Fitchburg State University; Worcester Polytechnic Institute
imageAIs could use some self-reflection.davincidig/iStock via Getty Images

Have you ever had the experience of rereading a sentence multiple times only to realize you still don’t understand it? As taught to scores of incoming college freshmen, when you realize you’re spinning your wheels, it’s time to change your approach.

This process,...

Read more: Artificial metacognition: Giving an AI the ability to ‘think’ about its ‘thinking’

Political polarization in Pittsburgh communities is rooted in economic neglect − not extremism

  • Written by Ilia Murtazashvili, Professor of Public Policy, University of Pittsburgh
imagePittsburgh is a city where your politics often depend on how your community and neighborhood are doing.Rebecca Droke/AFP Collection via Getty Images

When it comes to political polarization in the United States, the Pittsburgh region offers a useful window into what communities can do about it.

Pittsburgh is a “comeback city.” The...

Read more: Political polarization in Pittsburgh communities is rooted in economic neglect − not extremism

More Articles ...

  1. What we get wrong about forgiveness – a counseling professor unpacks the difference between letting go and making up
  2. Rebirth of the madman theory? Unpredictability isn’t what it was when it comes to foreign policy
  3. Why too much phosphorus in America’s farmland is polluting the country’s water
  4. Marine protected areas aren’t in the right places to safeguard dolphins and whales in the South Atlantic
  5. How the polar vortex and warm ocean are intensifying a major US winter storm
  6. How the polar vortex and warm ocean intensified a major US winter storm
  7. ICE immigration tactics are shocking more Americans as US-Mexico border operations move north
  8. ‘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
  9. Dogs can need more than kibble, walks and love − consider the escalating expenses of their medical care before you adopt
  10. Your brain can be trained, much like your muscles – a neurologist explains how to boost your brain health
  11. Rheumatoid arthritis has no cure – but researchers are homing in on preventing it
  12. Feeling unprepared for the AI boom? You’re not alone
  13. Is being virtuous good for you – or just people around you? A study suggests traits like compassion may support your own well-being
  14. Doing things alone is on the rise, and businesses should pay more attention to that – even on Valentine’s Day
  15. Dealing with a difficult relationship? Here’s how psychology says you can shift the dynamic
  16. The rise of Reza Pahlavi: Iranian opposition leader or opportunist?
  17. AI-induced cultural stagnation is no longer speculation − it’s already happening
  18. ‘Expertise’ shouldn’t be a bad word – expert consensus guides science and society
  19. Trump’s insistence on personal loyalty from ambassadors could crimp US foreign policy
  20. Hacking the grid: How digital sabotage turns infrastructure into a weapon
  21. Lebanon’s orchards have been burnt, wildlife habitat destroyed by Israeli strikes – raising troubling international law questions
  22. Companies are already using agentic AI to make decisions, but governance is lagging behind
  23. US turns its back on global efforts for women and children terrorized by violence and conflict
  24. A government can choose to investigate the killing of a protester − or choose to blame the victim and pin it all on ‘domestic terrorism’
  25. When it comes to developing policies on AI in K-12, schools are largely on their own
  26. Bearing witness after the witnesses are gone: How to bring Holocaust education home for a new generation
  27. From ancient Rome to today, war-makers have talked constantly about peace
  28. Antibiotic resistance could undo a century of medical progress – but four advances are changing the story
  29. Filming ICE is legal but exposes you to digital tracking – here’s how to minimize the risk
  30. Federal immigration enforcement near schools disrupts attendance, traumatizes students and damages their academic performance
  31. America’s next big clean energy resource could come from coal mine pollution – if we can agree on who owns it
  32. Despite its steep environmental costs, AI might also help save the planet
  33. Why ‘unwinding’ with screens may be making us more stressed – here’s what to try instead
  34. America’s next big critical minerals source could be coal mine pollution – if we can agree on who owns it
  35. The only thing limiting Taylor Swift’s popularity is partisan polarization
  36. Trump’s stated reasons for taking Greenland are wrong – but the tactics fit with the plan to limit China’s economic interests
  37. The world is in water bankruptcy, UN scientists report – here’s what that means
  38. AI cannot automate science – a philosopher explains the uniquely human aspects of doing research
  39. What ‘hope’ has represented in Christian history – and what it might mean now
  40. Some hard-earned lessons from Detroit on how to protect the safety net for community partners in research
  41. Iran’s universities have long been a battleground, where protests happen and students fight for the future
  42. Why Philly has so many sinkholes
  43. What air pollution does to the human body
  44. What triumphalist narratives about Brazil’s high court and Bolsonaro imprisonment leave out
  45. What a bear attack in a remote valley in Nepal tells us about the problem of aging rural communities
  46. Opera is not dying – but it needs a second act for the streaming era
  47. Trump’s Greenland ambitions could wreck 20th-century alliances that helped build the modern world order
  48. Are there thunderstorms on Mars? A planetary scientist explains the red planet’s dry, dusty storms
  49. An ultrathin coating for electronics looked like a miracle insulator − but a hidden leak fooled researchers for over a decade
  50. 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