timef 11/06/2025

A.I. search tools, chatbots and social media are associated with lower cognitive performance, studies say. What to do?

“This is a type of science that has an impact that most people could see in their homes,” said Erin Hecht, a canine researcher at Harvard. “Now there’s just no money.”

The Chan Zuckerberg Initiative said its restructured organization, Biohub, would lead its focus on artificial intelligence and scientific research.

Businesses and investors are bracing for uncertainty after Supreme Court justices questioned the legality of a core part of the president’s trade policy.

President Trump has used his sweeping global tariffs as an economic tool and a political cudgel. A decision invalidating them could hamper his power.

World leaders, gathering in Brazil, will try to agree on new, more ambitious plans to cut greenhouse gases.

A new industry group wants to set aside the piecemeal state-by-state approach imposing food dye and labeling laws in favor of federal control. The opposition has roiled the MAHA coalition.

Using a new computer model, scientists simulated the stripes, spots and hexagons on a species of boxfish, imperfections and all.

Diplomats and leaders from around the world are gathering on the edge of the Amazon rainforest for annual talks on how to limit global warming.

Climate change enabled the storm to churn faster and grow more quickly, a rapid analysis found.

Economists and psychologists say that compensation may not provide as powerful an incentive as is often assumed.

Doctors have already begun reducing radiation treatment for women at low risk of recurrence or spread of the disease. A new study finds that some women at greater risk can safely avoid radiation.

The banking giant’s C.E.O. said he wanted to keep lines of communication open with the mayor-elect of New York.

The Supreme Court justices grappled with the legality of President Trump’s tariffs in an oral argument that stretched for almost three hours.

A New York Post cover about “The Red Apple” went viral, and a “Fox & Friends” host told viewers, “We don’t want to turn into Caracas.”

The crackdown, ordered by the prime minister, added to the controversy over the Chinese fast-fashion retailer as it opened its first store in Paris amid chaotic scenes.

The Supreme Court is considering whether the president acted legally when he used a 1977 emergency statute to impose tariffs on scores of countries.

Carmakers and their suppliers are piecing together new supply chains after a Chinese-owned company in the Netherlands was caught in the middle of the trade war, revealing European vulnerabilities.

Reptiles on a Mexican island were considered an invasive species, but DNA evidence proves they beat humans to the island by hundreds of thousands of years.

Anti-hunger groups and state officials have warned that the administration’s plans to make partial payments are onerous and could still result in severe harm.

Prominent conservatives, including the president, sounded familiar alarms about voter suppression and other efforts to manipulate the vote on Election Day, without presenting evidence.

Prominent conservatives, including the president, sounded familiar alarms about voter suppression and other efforts to manipulate the vote on Election Day, without presenting evidence.