Supreme Court rules that states may deny people covered by Medicaid the freedom to choose Planned Parenthood as their health care provider

Naomi Cahn, University of Virginia; Sonia Suter, George Washington University

The ruling limits the rights of Medicaid patients to choose their own health care provider. It could have consequences far beyond South Carolina.

How Zohran Mamdani’s win in the New York City mayoral primary could ripple across the country

Lincoln Mitchell, Columbia University

Zohran Mamdani is one of the first Democratic candidates to successfully leverage Donald Trump’s focus on cost of living, explains a political strategist.

Michelin Guide scrutiny could boost Philly tourism, but will it stifle chefs’ freedom to experiment and innovate?

Jonathan Deutsch, Drexel University

Key to culinary innovation is a collaborative and supportive environment where chefs can take risks and make mistakes.

Why energy markets fluctuate during an international crisis

Skip York, Rice University

Fears about supply, demand, profits and supply chains all combine into a volatile mix that delivers prices that are often higher in a crisis, but also change more rapidly and by larger amounts.

Natural hazards don’t disappear when the storm ends or the earthquake stops – they evolve

Brian J. Yanites, Indiana University

Risk models can’t rely just on the past anymore. A team of geoscientists suggest new ways to forecast evolving hazards in real time as cascading disaster risk worsens.

Toxic algae blooms are lasting longer in Lake Erie − why that’s a worry for people and pets

Gregory J. Dick, University of Michigan

The blooms have become an annual problem in the Great Lakes. DNA studies show what’s growing there and why it’s dangerous.

Cyberattacks shake voters’ trust in elections, regardless of party

Ryan Shandler, Georgia Institute of Technology; Anthony J. DeMattee, Emory University; Bruce Schneier, Harvard Kennedy School

A study found that viewing news of a cyberattack lowered voter trust in election integrity – even when the voter’s candidate won and even if the attack wasn’t on voting systems.

Jews were barred from Spain’s New World colonies − but that didn’t stop Jewish and converso writers from describing the Americas

Flora Cassen, Washington University in St. Louis; Ronnie Perelis, Yeshiva University

Two 16th-century texts about the Americas by Jewish writers reflect the complicated place Jews and ‘conversos’ held in the early modern world.

Scandinavia has its own dark history of assimilating Indigenous people, and churches played a role – but are apologizing

Thomas A. DuBois, University of Wisconsin-Madison

Amid national truth and reconciliation processes, Scandinavian churches are taking stock of their past policies toward the Sámi people.

More than half of US teens have had at least one cavity, but fluoride programs in schools help prevent them – new research

Why power skills – formerly known as ‘soft skills’ – are the key to business success

How do scientists calculate the probability that an asteroid could hit Earth?