A horse’s neigh may be unique in the animal kingdom. Now scientists know how they do it

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By ADITHI RAMAKRISHNAN, AP Science Writer

NEW YORK (AP) — Horses whinny to find new friends, greet old ones and celebrate happy moments like feeding time.

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How exactly horses produce that distinctive sound — also called a neigh — has long eluded scientists.

The whinny is an unusual combination of both high and low pitched sounds, like a cross between a grunt and a squeal — that come out at the same time.

The low-pitched part wasn’t much of a mystery. It comes from air passing over bands of tissue in the voice box that make noise when they vibrate. It’s a technique similar to how humans speak and sing.

But the high-pitched piece is more puzzling. With some exceptions, larger animals have larger vocal systems and typically make lower sounds. So how do horses do it?

According to a new study, they whistle.

Researchers slid a small camera through horses’ noses to film what happened inside while they whinnied and made another common horse sound, the softer, subtler nicker. They also conducted detailed scans and blew air through the isolated voice boxes of dead horses.

The whinny’s mysterious high-pitched tones, they discovered, are a kind of whistling that starts in the horse’s voice box. Air vibrates the tissues in the voice box while an area just above contracts, leaving a small opening for the whistle to escape.

That’s different from human whistling, which we do with our mouths.

“I’d never imagined that there was a whistling component. It’s really interesting, and I can hear that now,” said Jenifer Nadeau, who studies horses at the University of Connecticut. Nadeau was not involved with the study, which was published Monday in the journal Current Biology.

A few small rodents like rats and mice whistle like this, but horses are the first known large mammal to have a knack for it. They’re also the only animals known to be able to whistle through their voice boxes while they sing.

“Knowing that a ‘whinny’ is not just a ‘whinny’ but that it is actually composed of two different fundamental frequencies that are created by two different mechanisms is exciting,” said Alisa Herbst with Rutgers University’s Equine Science Center, of the study in an email.

A big lingering question is how horses’ two-toned calls came to be. Wild Przewalski’s horses can do something similar, as can elks. But more distant horse relatives like donkeys and zebras can’t make the high-pitched sounds.

The two-toned whinnies could help horses convey multiple messages at the same time. The differently pitched neighs may help them express a more complex range of feelings when socializing, said study author Elodie Mandel-Briefer with the University of Copenhagen.

“They can express emotions in these two dimensions,” Mandel-Briefer said.

Associated Press video journalist James Brooks contributed to this report.

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.

Women’s basketball: Gophers jump to No. 22 in AP Top 25 poll

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After splitting a pair of home games against ranked Big Ten opponents last week, the Minnesota’s women’s basketball team jumped a spot in the Associated Press poll, to No. 22.

It’s the second appearance in the top 25 this season for the Gophers, who beat then-No. 10 Ohio State last Wednesday at Williams Arena before falling to then-No. 18 Michigan State on Sunday.

The Big Ten has seven teams ranked in this week’s poll. The others are No. 2 UCLA, No. 8 Michigan, No. 9 Iowa, No. 13 Ohio State, No. 14 Maryland and No. 15 Michigan State.

Washington and Illinois received votes. The Gophers end their regular season at Illinois on Sunday.

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Citizen journalists, citizen sleuths helping to unravel the tangle of Epstein documents

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By DAVID BAUDER, AP Media Writer

When sifting through the seemingly endless collection of documents in the Epstein files gets to be too much and Ellie Leonard needs a break, she takes a walk outside. Then it’s back to the computer.

The New Jersey mother of four is among hundreds of citizen-journalists, or sleuths, absorbed by the material connected to the late Jeffrey Epstein. She’s determined to learn the stories behind his illicit sex ring and relationships with some of the world’s most powerful people, and publish what she finds on Substack.

“I like a good puzzle,” Leonard said. “I like an investigation. I like things that we have to solve and looking for clues.”

Professional news outlets immediately went to work, sometimes in tandem, when the Justice Department released over three million pages of documents and tens of thousands of visual images on Jan. 30. Hundreds of journalists at The Associated Press, CBS, NBC, MS NOW and CNBC are collaborating to examine the files and share what they find.

Dozens of journalists at The New York Times alone are assigned to examine the documents, using artificial intelligence to speed the process along. Still, the newspaper said last week it had examined only a small percentage of what is there.

That’s where people like Ellie Leonard come in.

There’s plenty of material for the professionals — and amateurs

A steady stream of news stories has emerged as more is found and people and institutions react. Some result in resignations or job losses — the chief legal officer at Goldman Sachs, executive chairman at Hyatt Hotel, chairman of the law firm Paul, Weiss, Rifkind, Wharton & Garrison, government officials in Slovakia and Norway.

SmartNews is one of the independent places selling itself as a reliable source to sum up the reports. “CNN is focused on one angle, Fox is pushing another, Twitter is a mess,” a narrator said in one of its social media ads. “I’m seeing the same story with completely different narratives … Who do I trust?”

With all that, there’s plenty of room for people like Leonard. She’s been journalism-adjacent for much of her career, running a business that offered transcription services until AI rendered it largely obsolete. She worked briefly in education and wrote about politics and social issues on her Substack, The Panicked Writer.

But after seeing the interest generated when she started looking at Epstein documents a few months ago, she began devoting all of her professional time to it.

She describes her glee in spotting, at 1 a.m. after an evening of scrolling, a document involving lawyer Alan Dershowitz and Virginia Giuffre, who alleged sex abuse by several men who knew Epstein. In recent Substack postings, she wrote about what was in a young victim’s journal and email conversations between Epstein and Sarah Ferguson.

Leonard said she looks for nuggets of information others may not be talking about and likes to show how things within Epstein’s wide circle tie together. “I’m putting four kids into the world,” she said, “and I don’t want to see something like this happen again.”

Journalist Wajahat Ali, who runs the Left Hook Substack, said he admires Leonard’s work and often features her on his site. Some of the Epstein citizen journalists gather on livestreams to talk about what they’ve found.

Over the past decade, Ali has watched the growth of a subculture of people obsessed about true crime stories who love to comb through evidence and advance their own theories. Authorities involved in the Arizona search for the missing mother of NBC’s Savannah Guthrie have complained about distractions caused by amateur sleuths.

The Epstein files are “the mother lode,” he said. “If you love conspiracy theories, if you love true crime, this is the ‘Citizen Kane’ of true crime. It is the unfortunately sordid gift that will keep on giving.”

A story that fascinates and repulses

Like Leonard, Anne P. Mitchell and Kassandra Mable Costa have professional backgrounds that have helped them with the Epstein files. Costa, from North Carolina, is accustomed to research in her marketing job. Mitchell is a former law professor from Colorado with an expertise in hunting down legal documents and explaining what they mean in plain language.

Fascinated and repulsed by the story, Costa was drawn to the source material. She doesn’t write about what she’s found. Instead, she uses her skills to help others, collecting evidence for a friend who is trying to get the name of former Maine Sen. George Mitchell removed from an elementary school. The former politician has denied wrongdoing, but the files show he maintained a relationship with the sex offender.

“I am not really politically active,” Costa said. “There are ways that I try to help and ways that I try to create a better world. But I’m not overly political. I’m not looking for conflict, I’m not looking for controversy.”

Anne P. Mitchell’s “Notes From the Front” Substack serves as a connector for Epstein sleuths; she holds chat groups and offers access to a multitude of documents to the few thousand followers who have a paid subscription. “We may have just found a smoking gun,” she writes of a file she’s offering of images that appear to show men with victims. Both Mitchell and Leonard offer some material to followers for free, and sell some to the more obsessed.

Mitchell applauds people who are working through the Epstein files. “The more people who are doing it, the more that is going to come to light,” she said. “But I’m guessing that the more people who are doing it, the more it’s not going to be good for their mental health.”

Unproven accusations emphasize the need to verify facts

Matthew LaPlante, a journalism professor at Utah State University, said having more citizens using reportorial skills — whether they know it not — can benefit society. He cited Minneapolis residents who used phones to document immigration enforcement efforts.

The downside, he says, is that few of these people are trained in the painstaking task of verifying facts — or, for that matter, who understand the legal implications of publishing rumors. The New York Times, in a story that explained to readers how it is examining the material, stressed this need for care. “We don’t publish anonymous information that we can’t verify ourselves,” the newspaper said.

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LaPlante pointed to one Substack post last week with more than a dozen videos from the file, most partly redacted and making little sense without any context — like one of two unidentified men writing on a sex doll.

Many unproven accusations, some outlandish, are included in the Epstein files. How much of that unvetted material will find its way into the public discourse — to say nothing of false or doctored information created by the unscrupulous?

“What is in the files is damaging enough,” Ali said. “You don’t need to indulge in conspiracy theories. It would be a disservice to the survivors and would hurt the credibility of what is already there.”

There’s enough to keep the curious occupied — professional and amateur alike. Potentially, there’s more new or unredacted material to come.

“I hope I’m around for 15 or 20 years,” said Mitchell, who is largely confined to her home due to health issues. “Because I really think it’s going to take that long for the full extent of this to be exposed.”

David Bauder writes about the intersection of media and entertainment for the AP. Follow him at http://x.com/dbauder and https://bsky.app/profile/dbauder.bsky.social.

How the former Prince Andrew could be removed from Britain’s line of succession

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By SYLVIA HUI

LONDON (AP) — It’s been 90 years since a British royal was removed from the line of succession. That might happen again now that Britain’s government says it will consider introducing legal changes to formally remove Andrew Mountbatten-Windsor from the list of royals in line to the throne.

Despite being stripped of his status as prince in October over his close links with the late convicted sex offender Jeffrey Epstein, the former Prince Andrew, King Charles III’s younger brother, remains eighth in line to become monarch.

Experts say the process of removing him from the line of succession could be lengthy because it requires the involvement of about a dozen countries that also call the British monarch their head of state.

Nonetheless, momentum for change appears to be building after police last week arrested Mountbatten-Windsor on suspicion of misconduct in public office. Following the release of millions of pages of files last month related to Epstein by the U.S. Justice Department, the former prince was accused of sharing confidential trade information with the disgraced financier when he served as U.K. trade envoy from 2001 to 2011.

EDS NOTE: GRAPHIC CONTENT – FILE – Images from an undated and redacted document released by the U.S. Department of Justice, photographed Saturday, Jan. 31, 2026, show Andrew Mountbatten-Windsor, formerly known as Prince Andrew, leaning over an unidentified person. (AP Photo/Jon Elswick, File)

Mountbatten-Windsor, 66, was released without charge on Thursday after spending about 11 hours in custody, but he remains under investigation.

“The government is clear that we are not ruling out action in respect of the line of succession at this stage, and we will consider whether any further steps are required in due course,” Darren Jones, Prime Minister Keir Starmer’s chief secretary, told lawmakers on Monday.

Any such measure will only take place once the police investigation is finished, he added.

An act of Parliament is required

Under the current line of royal succession, Charles’ son Prince William is heir to the throne and his three children — Prince George, Princess Charlotte and Prince Louis — are next. Prince Harry is fifth, while his two children, Prince Archie and Princess Lilibet, are sixth and seventh in line.

Mountbatten-Windsor — who was second in line to the throne at his birth — currently follows them in eighth position. His daughters, Princesses Beatrice and Eugenie, are at ninth and 12th places respectively.

Removing him from the line of succession would require an act of Parliament, which needs lawmakers’ approval.

One party, the Liberal Democrats, has been vocal about supporting such a move.

“I think it would be intolerable for Andrew Mountbatten-Windsor to succeed to the crown,” party leader Ed Davey said last week. “It’s not as remote as some people think.”

FILE – Prince Andrew leaves after attending the Christmas day service at St Mary Magdalene Church in Sandringham in Norfolk, England, Dec. 25, 2022. (AP Photo/Kirsty Wigglesworth, File)

Beyond Britain

Any change to the line of succession would also require backing from about a dozen Commonwealth countries where Charles is head of state.

Australia’s Prime Minister Anthony Albanese said Monday he would back any U.K. government plan to exclude Mountbatten-Windsor.

“These are grave allegations and Australians take them seriously,” he wrote in a letter to Starmer. “I agree with His Majesty that the law must now take its full course and there must be a full, fair and proper investigation.”

Starmer’s government is not believed to have received similar letters from 13 other countries that also have Charles as head of state, including Canada, New Zealand, Jamaica, the Bahamas and Tuvalu.

Robert Hazell, a politics professor who founded the Constitution Unit at University College London, said in some countries it requires a formal constitutional amendment, while in others it can be done by legislation. He expressed doubt that the U.K. or the other governments would want to spend time removing Mountbatten-Windsor from the succession line given he is only eighth in line.

“The last time this happened was for the Succession to the Crown Act 2013, which made the law of royal succession gender neutral,” he said. “It took two years of protracted negotiations for all the different countries to amend their own laws or constitutions.”

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The status of Andrew’s daughters

One question is whether excluding Mountbatten-Windsor would affect his daughters, who are not working royals, and their children.

“Not necessarily — it depends how the legislation is framed,” Hazell said.

The last time a royal was removed from the line of succession was after King Edward VIII abdicated in December 1936 to marry American divorcee Wallis Simpson. At the time, the law was changed to strike him and any descendants from the list.

For his part, Charles has not publicly indicated whether he would support or oppose removing his brother from the line of succession. The monarch stressed that the law must take its course in the investigation, adding: “My family and I will continue in our duty and service to you all.’’

Reports in the British media, however, suggest the palace is not against a legal change to remove Mountbatten-Windsor from the line of succession. Citing an unnamed palace source, the Times of London reported on Saturday that the royal family said it would “never get in the way” of what Parliament decides.