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mercredi 11 mars 2026

US blindsides states with surprise settlement in Live Nation/Ticketmaster trial

US blindsides states with surprise settlement in Live Nation/Ticketmaster trial

The Trump administration agreed to stop pursuing a breakup of Live Nation and Ticketmaster as part of a settlement that blindsided state attorneys general in the middle of a trial. Attorneys general from 27 states and the District of Columbia are continuing to pursue the case without the US government, at least for now.

The US Department of Justice and most US states sued Live Nation and its Ticketmaster subsidiary in 2024, during the Biden administration. The lawsuit alleged that Live Nation has a monopoly on "the delivery of nearly all live music in America today," and asked a federal court to order the divestiture of Ticketmaster.

The case went to trial, and testimony began last week in US District Court for the Southern District of New York. But the US and Live Nation informed the court of a proposed settlement on March 8, taking state attorneys general by surprise. The judge presiding over the case reportedly said in court today that the way the settlement was announced "is absolutely unacceptable."

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mardi 10 mars 2026

An unlikely set of clues helps reconstruct ancient Chinese disasters

An unlikely set of clues helps reconstruct ancient Chinese disasters

Warmer waters in the Pacific Ocean may have brought devastating floods to the cradle of ancient Chinese civilization, according to a recent study in which its authors link three wildly different lines of evidence to tell the story.

People in Shang Dynasty China, around 3,000 years ago, probably didn’t realize that the massive floods sweeping through their heartland were the product of typhoons battering the southern Chinese coast hundreds of kilometers away. They certainly couldn't have seen that the sheer intensity of those typhoons was fueled by a sudden shift in temperature cycles over the Pacific Ocean thousands of kilometers to the south and east. But, with the benefit of 3,000 years of hindsight and scientific progress, Nanjing University meteorologist Ke Ding and colleagues recently managed to connect the dots. The results are like a handwritten warning from the Shang Dynasty about how to prepare for modern climate change.

Typhoons, oracle bones, and abandoned settlements

Around 3,000 years ago, two great civilizations were flourishing in central China. In the Yellow River Valley, the Shang Dynasty rose to prominence, producing the first Chinese writing and also sacrificing thousands of people in ceremonies at the capital, Yin. Meanwhile, on the Chengdu Plain in southwestern China, the Sanxingdui culture built a walled capital city and sculpted large bronze heads, gold foil masks, and tools of jade and ivory, which they buried in huge sacrificial pits.

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Nintendo sues to prevent Trump from dodging full tariff refunds

Nintendo sues to prevent Trump from dodging full tariff refunds

Last Friday, Nintendo joined thousands of companies suing the Trump administration to secure full refunds, plus interest, for billions in unlawful tariffs collected under the International Emergency Economic Powers Act (IEEPA).

In its complaint, Nintendo insisted that the Trump administration has already conceded that more than $200 billion in refunds are owed to hundreds of thousands of importers who paid tariffs, regardless of liquidation status.

However, Nintendo fears that the Trump administration may try to avoid paying refunds to certain companies whose tariff payments have already been liquidated, which means that the duties owed were finalized. The government has continually argued that it will only follow through on refunding all importers if a court directly orders refunds to be repaid in a way that requires reliquidation. Such an order would force officials to void all finalized tariffs and come as a relief to many companies in Nintendo's position that remain uncertain if all their tariff payments can be clawed back.

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Flexible feline spines shed light on "falling cat" problem

Flexible feline spines shed light on "falling cat" problem

Why do falling cats always seem to land on their feet? Scientists have been arguing about the precise mechanism for a very long time—since at least 1700, in fact—conducting all manner of experiments to pin down what's going on. The research continues, with a paper published in the journal The Anatomical Record reporting on new experiments to analyze the flexibility of feline spines.

We covered this topic in-depth in 2019, when University of North Carolina, Charlotte, physicist Greg Gbur published his book, Falling Felines and Fundamental Physics. For a long time, scientists believed that it would be impossible for a cat in free fall to turn over. That's why French physiologist Etienne-Jules Marey's 1894 high-speed photographs of a falling cat landing on its feet proved so shocking to Marey's peers. But Gbur has emphasized that cats are living creatures, not idealized rigid bodies, so the motion is more complicated than one might think.

Over the centuries, scientists have offered four distinct hypotheses to explain the phenomenon. There is the original “tuck and turn” model, in which the cat pulls in one set of paws so it can rotate different sections of its body. Nineteenth-century physicist James Clerk Maxwell offered a “falling figure skater” explanation, whereby the cat tweaks its angular momentum by pulling in or extending its paws as needed. Then there is the “bend and twist,” in which the cat bends at the waist to counter-rotate the two segments of its body. Finally, there is the “propeller tail,” in which the cat can reverse its body’s rotation by rotating its tail in one direction like a propeller.

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2026 Australian Grand Prix: Formula 1 debuts a new style of racing

2026 Australian Grand Prix: Formula 1 debuts a new style of racing

Formula 1's 2026 season got underway this past weekend in Melbourne, Australia. Formula 1 has undergone a radical transformation during the short offseason, with new technical rules that have created cars that are smaller and lighter than before, with new hybrid systems that are more powerful than anything since the turbo era of the 1980s—but only if the battery is fully charged.

The changes promised to upend the established pecking order of teams, with the introduction of several new engine manufacturers and a move away from the ground-effect method of generating downforce, which was in use from 2022. For at least a year, paddock rumors have suggested that Mercedes might pull off a repeat of 2014, when it started the first hybrid era with a power unit far ahead of anyone else.

That wasn't entirely clear after six days of preseason testing in Bahrain, nor really after Friday's two practice sessions in Melbourne, topped by Charles Leclerc's Ferrari and Oscar Piastri's McLaren, respectively. The Mercedes team didn't look particularly worried, and on Saturday, we found out why when George Russell finally left off the sandbags and showed some true pace, lapping more than six-tenths faster by the end of free practice than the next-quickest car, the Ferrari of Lewis Hamilton.

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“It doesn't feel safe”—Many international game developers plan to skip GDC in US

“It doesn't feel safe”—Many international game developers plan to skip GDC in US

This week, tens of thousands of game developers and producers will once again gather in San Francisco, as they have since 1988, for the weeklong Game Developers Conference. But this year’s show will be missing many international developers who say they no longer feel comfortable traveling to the United States to attend, no matter how relevant the show is to their work and careers.

Dozens of those developers who spoke to Ars in recent months say they’re wary of traveling to a country that has shown a callous disregard for—or outright hostility toward—the safety of international travelers. That’s especially true for developers from various minority groups, those with transgender identities, and those who feel they could be targeted for outspoken political beliefs.

“I honestly don't know anyone who is not from the US who is planning on going to the next GDC,” Godot Foundation Executive Director Emilio Coppola, who’s based in Spain, told Ars. “We never felt super safe, but now we are not willing to risk it.”

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Tiny, long-armed dinosaur leads to rethink of dinosaur miniaturization

Tiny, long-armed dinosaur leads to rethink of dinosaur miniaturization

Alvarezsaurids were mostly small-bodied theropods that paleontologists originally misinterpreted as early flightless birds, only to later recognize them as an ant-eating lineage of non-avian dinosaurs. For years, we suspected that Alvarezsaurids underwent a rare process of evolutionary miniaturization directly coupled to a diet of social insects like ants and termites. It was a tidy hypothesis: They got smaller to become more efficient at catching ants.

Now, a recently discovered fossil of one of the smallest alvarezsaurids ever found suggests that the evolution of miniature dinosaurs likely wasn’t as neat and linear as we thought. This new species, called Alnashetri cerropoliciensis, probably did not feed on ants at all. “It was a pursuit predator actively hunting insects and small mammals,” said Peter Makovicky, a paleontologist at the University of Minnesota.

The oddball

Alverezsaurids, found mostly in the Late Cretaceous rocks of Asia and South America, had short forelimbs tipped with a single oversized thumb claw built for digging. They also had minute teeth and sensory adaptations akin to those in modern nocturnal birds—everything necessary to work on termite mounds. “The explanation of their small body size has been tied to this specialization,” Makovicky explained.

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