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We designed an AI tutor that helps college students reason rather than give them answers

  • Written by Saharnaz Babaei-Balderlou, Teaching Assistant Professor of Economics, University of Wisconsin-La Crosse
imageIf prompted, an AI tool can be tailored to help students think through their own reasoning rather than just feed them answers. Issarawat Tattong/iStock/Getty Images

Students using AI to cheat on homework or tests is a source of much discussion. But some scholars argue the greater risk of students using AI is that they will simply not learn.

Approxi...

Read more: We designed an AI tutor that helps college students reason rather than give them answers

Nearly a third of Pennsylvania gamblers are at risk of problem gambling − but few seek treatment

  • Written by Gillian Russell, Assistant Research Professor, Penn State
imagePennsylvania legalized online gambling in 2017.Tatiana Maksimova/Moment Collection via Getty Images

Nearly three times as many Pennsylvania adults gamble online today than just a few years ago.

And as online platforms make gambling easier and more convenient, some Pennsylvanians are gambling more often and may be more prone to developing problems.

We...

Read more: Nearly a third of Pennsylvania gamblers are at risk of problem gambling − but few seek treatment

2025 was hotter than it should have been – 5 influences and a dirty surprise offer clues to what’s ahead

  • Written by Michael Wysession, Professor of Earth, Environmental, and Planetary Sciences, Washington University in St. Louis
imageThe sun rises over New York City as a heat wave arrives in June 2025.Gary Hershorn/Getty Images

The past three years have been the world’s hottest on record by far, with 2025 almost tied with 2023 for second place. With that energy came extreme weather, from flash flooding to powerful hurricanes and severe droughts. Yet, by most indicators,...

Read more: 2025 was hotter than it should have been – 5 influences and a dirty surprise offer clues to what’s...

GLP-1 drugs may fight addiction across every major substance, according to a study of 600,000 people

  • Written by Ziyad Al-Aly, Clinical Epidemiologist, Washington University in St. Louis
imageWith GLP-1 drugs becoming more accessible and affordable, they could also be within reach for substance use treatment.Michael Siluk/Universal Images Group via Getty Images

A patient of mine, a veteran who had tried to quit smoking for over a decade, told me that after he started a GLP-1 drug for his diabetes, he lost interest in cigarettes. He...

Read more: GLP-1 drugs may fight addiction across every major substance, according to a study of 600,000 people

Hezbollah − degraded, weakened but not yet disarmed − destabilizes Lebanon once again

  • Written by Mireille Rebeiz, Chair of Middle East Studies, Dickinson College
imageBlack smoke billows from an Israeli airstrike in southern Beirut on March 4, 2026.Marwan Naamani/picture alliance via Getty Images

The fragile peace in Lebanon was already showing serious strains in the first months of 2026 – and then came the U.S.-Israeli strikes in Iran.

After the killing of Iran’s supreme leader, Ayatollah Ali Khamenei...

Read more: Hezbollah − degraded, weakened but not yet disarmed − destabilizes Lebanon once again

When unpaid cooking, cleaning and child care get a dollar value, income inequality in the US shrinks – but the gap has grown since 1965

  • Written by Leila Gautham, Lecturer in Economics, University of Leeds
imageKeeping up with chores takes a lot of time and is worth money.jubaphoto/E+ via Getty Images

When economists track inequality, they typically focus on incomeand spending.

But a significant share of the services that families actually consume – meals cooked at home, child care, housecleaning and lawn mowing – is produced by unpaid labor tha...

Read more: When unpaid cooking, cleaning and child care get a dollar value, income inequality in the US...

Trauma patients recover faster when medical teams know each other well, new study finds

  • Written by Linda Argote, Thomas Lord Professor of Organizational Behavior and Theory; Director, Center of Organizational Learning, Innovation and Knowledge, Carnegie Mellon University
imageWhen someone is badly hurt, their potential for survival often depends on what happens in the first minutes after they arrive at the hospital.SDI Productions/E+ Collection/via Getty Images

When a trauma patient enters the emergency department, their potential for survival often depends on what happens within the first minutes after their arrival. Af...

Read more: Trauma patients recover faster when medical teams know each other well, new study finds

Housing First helps people find permanent homes in Detroit − but HUD plans to divert funds to short-term solutions

  • Written by Deyanira Nevárez Martínez, Assistant Professor of Urban and Regional Planning, Michigan State University
imageDetroit area homelessness providers worry the federal funding shift could affect thousands of individuals and families across the region. Charles Ommanney/Getty ImagesJoshua Lott/Getty Images

A bureaucratic shift in Washington is threatening to undo years of progress in Detroit’s fight against homelessness, potentially forcing thousands of...

Read more: Housing First helps people find permanent homes in Detroit − but HUD plans to divert funds to...

Congress once fought to limit a president’s war powers − more than 50 years later, its successors are less willing to assert their authority

  • Written by Sarah Burns, Associate Professor of Political Science, Rochester Institute of Technology; Institute for Humane Studies
imageRubble from a police station damaged in airstrikes on March 3, 2026 in Tehran, Iran. Majid Saeedi/Getty Images

Article 1 of the U.S. Constitution gives Congress the power to declare war, not the president. But most modern presidents and their legal counsel have asserted that Article 2 of the Constitutionallows the president to use the military in...

Read more: Congress once fought to limit a president’s war powers − more than 50 years later, its successors...

AI and 3D printing help researchers create heat- and pressure-resistant materials for aerospace and defense applications

  • Written by Houlong Zhuang, Associate Professor of Engineering, Arizona State University
imageHypersonic aircraft, like NASA's X-43A shown here, are exposed to extreme heat and pressure. Jim Ross/NASA via Getty Images

From hypersonic aircraft to nuclear-powered submarines, many of today’s most advanced defense systems rely on a special class of materials known as refractory alloys. This class refers to metals that do not melt or...

Read more: AI and 3D printing help researchers create heat- and pressure-resistant materials for aerospace...

More Articles ...

  1. With Artemis II facing delays, NASA announces big structural changes to the lunar program
  2. I study why zebrafish larva prefer to circle left or right, to understand how and why human brains encode right- and left-handedness
  3. Brazilian jiu-jitsu is having its #MeToo moment
  4. Front lines of humor: Dark humor voices Ukrainians’ hopes for victory
  5. Far from random, China’s global port network is clustering near the world’s riskiest trade routes
  6. CIA agents successfully executed a plan for regime change in Iran in 1953 – but Trump hasn’t revealed any signs of a plan
  7. Public defender shortage is leading to hundreds of criminal cases being dismissed
  8. Welcome to the ‘gray zone’ − home to nefarious international acts that fall short of outright conflict
  9. Stressed out by politics? You’re not imagining it, and research shows that social media is largely to blame
  10. Formerly incarcerated Black men say they’re ‘doing OK’ while trying to cope with depression and PTSD
  11. Are heroes born or made? Role models and training can prepare ordinary people to take heroic action
  12. A Plan B for space? On the risks of concentrating national space power in private hands
  13. The inspiring and tragic story of Mabel Stark, America’s most famous female tiger trainer
  14. Iran’s targeting of airport, ports and hotels in reaction to US strikes has forced Gulf nations onto front lines of a war they want no part in
  15. ‘Destruction is not the same as political success’: US bombing of Iran shows little evidence of endgame strategy
  16. Ayatollah Ali Khamenei’s killing plays into Shiite Islam’s reverence for martyrs, but not for all Iranians
  17. Why are so many statues naked? An art historian explains this tradition’s ancient roots
  18. What decades of research reveal about involuntary substance use treatment – and why evidence points elsewhere
  19. Free 10-minute online programs aimed at overcoming depression led to real improvements – new research
  20. The nation is missing millions of voters due to lack of rights for former felons
  21. Failure of US-Iran talks was all too predictable — but turning to military strikes creates dangerous unknowns
  22. Kansas revoked transgender people’s IDs overnight – researchers anticipate cascading health and social consequences
  23. Despite massive US attack and death of ayatollah, regime change in Iran is unlikely
  24. Iran will respond to US-Israeli strikes as existential threats to the regime – because they are
  25. Cuba’s speedboat shootout recalls long history of exile groups engaged in covert ops aimed at regime change
  26. Drug company ads are easy to blame for misleading patients and raising costs, but research shows they do help patients get needed treatment
  27. Tiny recording backpacks reveal bats’ surprising hunting strategy
  28. Nanoparticles and artificial intelligence can help researchers detect pollutants in water, soil and blood
  29. Bad Bunny says reggaeton is Puerto Rican, but it was born in Panama
  30. How the Seattle Seahawks’ sale will score a touchdown for charity 8 years after Paul Allen’s death
  31. There aren’t enough geriatricians – here’s how older adults can still get the right care
  32. Former Harvard president Summers’ soft landing after Epstein revelations is case study of economics’ trouble with misbehaving men
  33. Will AI accelerate or undermine the way humans have always innovated?
  34. Fewer new moms are dying in Colorado – naloxone might be one reason why
  35. The apocrypha, Christianity’s ‘hidden’ texts, may not be in the Bible – but they have shaped tradition for centuries
  36. How natural hydrogen, hiding deep in the Earth, could serve as a new energy source
  37. How to prevent elections from being stolen − lessons from around the world for the US
  38. Minneapolis united when federal immigration operations surged – reflecting a long tradition of mutual aid
  39. It’s never too late to learn a language – adults and kids bring different strengths to the task
  40. AI’s growing appetite for power is putting Pennsylvania’s aging electricity grid to the test
  41. Abortion laws show that public policy doesn’t always line up with public opinion
  42. Why US third parties perform best in the Northeast
  43. The cost of casting animals as heroes and villains in conservation science
  44. Detroit was once home to 18 Black-led hospitals – here’s how to understand their rise and fall
  45. How protecting wilderness could mean purposefully tending it, not just leaving it alone
  46. From moral authority to risk management: How university presidents stopped speaking their minds
  47. Pittsburgh nurses are fighting for better staffing ratios — and the research backs them up
  48. Making sense of a chaotic planet: How understanding weather and climate risks depends on supercomputers like NCAR’s
  49. Taboo tics like shouting curses and slurs are uncommon in Tourette syndrome − but people who have them suffer harsh social stigma
  50. Why does pain last longer for women? Immune cells may be the culprit