The global impact of imperiled Ukrainian grain exports

As heat records fall, how hot is too hot for the human body?

W. Larry Kenney, Penn State; Daniel Vecellio, Penn State; Rachel Cottle, Penn State; S. Tony Wolf, Penn State

The biggest risks aren’t always the biggest numbers on the thermometer – humidity gets dangerous faster than many people realize.

UPS impasse with union could deliver a costly strike, disrupting brick-and-mortar businesses as well as e-commerce

Jason Miller, Michigan State University

Talks between the the International Brotherhood of Teamsters and company bosses have broken down. A supply chain expert explores what could happen next.

Can you trust AI? Here’s why you shouldn’t

Bruce Schneier, Harvard Kennedy School; Nathan Sanders, Harvard University

It’s difficult to see how artificial intelligence systems work, and to see whose interests they work for. Regulation could make AI more trustworthy. Until then, user beware.

Zooming across time and space simultaneously with superresolution to understand how cells divide

Somin Lee, University of Michigan

Superresolution microscopy allowed researchers to view cells at the molecular level. Improvements on the technique can help study the building blocks of complex cell processes over time.

Asymptomatic COVID-19 is linked to a gene variant that boosts immune memory after exposure to prior seasonal cold viruses

Jill Hollenbach, University of California, San Francisco; Danillo Augusto, University of North Carolina – Charlotte

Researchers found that people with a specific gene variant were two to eight times more likely to not have symptoms after infection.

This year’s debate over defense spending threatens to disrupt a tradition of bipartisan consensus-building over funding the military

Gibbs Knotts, College of Charleston; Christopher A. Cooper, Western Carolina University

The National Defense Authorization Act has long had bipartisan support in both houses of Congress. But that died in the House this year.

How book-banning campaigns have changed the lives and education of librarians – they now need to learn how to plan for safety and legally protect themselves

Nicole Cooke, University of South Carolina

Librarians are defending the rights of readers and writers in the battle raging across the US over censorship, book challenges and book bans. That conflict has even changed how librarians are trained.

Michigan AG charges 16 people in fake electors scheme: 4 essential reads on how the Electoral College works

Lorna Grisby, The Conversation

Michigan’s attorney general has charged 16 people in a fake electors plot to overturn the 2020 presidential election. Here’s how the Electoral College works.

Blame capitalism? Why hundreds of decades-old yet vital drugs are nearly impossible to find

Geoffrey Joyce, University of Southern California

The shortages, which have been going on for years, have typically affected only low-cost generics rather than profitable brand-name drugs.

A sculptor of wind explains how to make fiber dance far above city streets

Janet Echelman, Massachusetts Institute of Technology (MIT)

Artist Janet Echelman explains how she collaborates with engineers to create massive sculptures that have changed city landscapes and inspired people around the world.

America faces a power disconnection crisis amid rising heat: In 31 states, utilities can shut off electricity for nonpayment in a heat wave

Empty office spaces can be converted to residential buildings – but it won’t be affordable

Why people tend to believe UFOs are extraterrestrial