The Conversation

EPA removal of vehicle emissions limits won’t stop the shift to electric vehicles, but will make it harder, slower and more expensive

Written by Alan Jenn, Associate Professor of Civil and Environmental Engineering, University of California, Davis

Customers have embraced electric vehicles; policy changes may decrease that interest but will not eliminate it.Carlin Stiehl/Los Angeles Times via Getty Images

The U.S. government is in full retreat from its efforts to make vehicles more fuel-efficient, which it has been waging, along with state governments, since the 1970s.

The latest move came on...

A red meat allergy from tick bites is spreading – and the lone star tick isn’t the only alpha-gal carrier to worry about

Written by Lee Rafuse Haines, Associate Research Professor of Molecular Parasitology and Medical Entomology, University of Notre Dame

Steak and other red meats can trigger an allergic reaction in people with alpha-gal syndrome.Vicushka/Moment via Getty Images

Hours after savoring that perfectly grilled steak on a beautiful summer evening, your body turns traitor, declaring war on the very meal you just enjoyed. You begin to feel excruciating itchiness, pain or even swelling that...

Why leisure matters for a good life, according to Aristotle

Written by Ross Channing Reed, Lecturer in Philosophy, Missouri University of Science and Technology

What we do in our free time says a lot about what makes us happy.Halfpoint Images/Moment via Getty Images

In his powerful book “The Burnout Society,” South Korean philosopher Byung-Chul Han argues that in modern society, individuals have an imperative to achieve. Han calls this an “achievement society” in which we must...

When it comes to finance, ‘normal’ data is actually pretty weird

Written by D. Brian Blank, Associate Professor of Finance, Mississippi State University

When business researchers analyze data, they often rely on assumptions to help make sense of what they find. But like anyone else, they can run into a whole lot of trouble if those assumptions turn out to be wrong – which may happen more often than they realize. That’s what we found in a recent study looking at financial data from...

Football and faith could return to the Supreme Court – this time, over loudspeakers

Written by Charles J. Russo, Joseph Panzer Chair in Education and Research Professor of Law, University of Dayton

Private schools want to pray over the loudspeaker – at a public facility, during games run by a state association.John Coletti/Photodisc via Getty Images

With the start of another high school football season around the corner, a long-simmering dispute has heated up: prayers at games.

Kennedy v. Bremerton, the case of a high school football...

Survivors’ voices 80 years after Hiroshima and Nagasaki sound a warning and a call to action

Written by Masako Toki, Senior Education Project Manager and Research Associate, Nonproliferation Education Program, Middlebury

Supporters of nuclear disarmament, including Hibakusha, demonstrate in Oslo, Norway, in 2024.Hideo Asano, CC BY-ND

Eighty years ago, in August 1945, the cities of Hiroshima and Nagasaki were incinerated by the first and only use of nuclear weapons in war. By the end of that year, approximately 140,000 people had died in Hiroshima and 74,000 in...

National parks are key conservation areas for wildlife and natural resources

Written by Sarah Diaz, Associate Professor of Recreation and Sport Management, Coastal Carolina University

A researcher collects water samples in Everglades National Park in Florida to monitor ecosystem health.AP Photo/Rebecca Blackwell

The United States’ national parks have an inherent contradiction. The federal law that created the National Park Service says the agency – and the parks – must “conserve the scenery and the...

The case that saved the press – and why Trump wants it gone

Written by Stephanie A. (Sam) Martin, Frank and Bethine Church Endowed Chair of Public Affairs, Boise State University

Donald Trump wants to restrict journalists' ability to publish or broadcast critical stories.Mesh cube, iStock/Getty Images Plus

President Donald Trump is again attacking the American press – this time not with fiery rally speeches or by calling the media “the enemy of the people,” but through the courts.

Since the heat of the...

For America’s 35M small businesses, tariff uncertainty hits especially hard

Written by Peter Boumgarden, Professor of Family Enterprise, Washington University in St. Louis

Imagine it’s April 2025 and you’re the owner of a small but fast-growing e-commerce business. Historically, you’ve sourced products from China, but the president just announced tariffs of 145% on these goods. Do you set up operations in Thailand – requiring new investment and a lot of work – or wait until...

Meet ‘lite intermediate black holes,’ the supermassive black hole’s smaller, much more mysterious cousin

Written by Bill Smith, Ph.D. Candidate in Physics & Astronomy, Vanderbilt University

Merging black holes generate gravitational waves, which astronomers can track. SXS, CC BY-ND

Black holes are massive, strange and incredibly powerful astronomical objects. Scientists know that supermassive black holes reside in the centers of most galaxies.

And they understand how certain stars form the comparatively smaller stellar mass black...