Lifestyle
How Karis Dadson’s Icy Stare at Pig Shows Conquered TikTok
As she prepared to enter the pig ring on a recent weekend morning, Karis Dadson shifted her focus toward a judge who stood on a thick mat of sawdust shavings about 30 feet away.
That focus took the form of an icy stare that has captivated the hundreds of thousands of people who follow Karis, 14, and her family on social media. It was the same stare that has been celebrated by her fans — many of them young women — as empowering, “tuff” and the “meanest mug” in the game. The same stare that has been a source of inspiration to those who dream of emulating her while shopping for groceries, walking their dogs or confronting an annoying neighbor.
The same stare that has prompted such questions as: Who ticked her off? Does she feed her victims to the pigs? Can someone explain this to me?
And it was the same stare that was center stage last month at the Western Bonanza Junior Livestock Show, a three-day potpourri of denim, cowboy boots and expertly manicured animals — swine, sheep, goats and cattle — at the Paso Robles Event Center on the central coast of California. “The stare is iconic,” said Madelynn Gardner, 15, who ran up against Karis and her twin brother, Krew, in several contests over the weekend. “It’s a little intimidating.”
And it is purposeful. You just need to know a bit about livestock shows to understand it.
A field of more than 50 boys and girls, along with their pigs, had been cut to 16 for an age-group final in “swine showmanship,” a specialty for Karis. In showmanship, the exhibitors, as the handlers are known, are evaluated at least as stringently as their pigs are. Judges call out instructions and base their decisions on a host of factors, including how effectively the exhibitors present their pigs, the pigs’ responsiveness to their commands and the pace at which the pigs move. (Optimal pace? Between a jaunt and a trot.)
Karis, who stands 5 feet tall, wore a dark top with leopard-print sleeves, bluejeans and a Navajo pearl necklace, with her blonde hair in a bun. She was accompanied by Johnny Ringo, a 9-month-old, 270-pound crossbred barrow pig she had scrubbed to an immaculate shine.
By tapping him with a pair of small, thin whips that bore a resemblance to conducting batons, Karis guided Johnny Ringo through the ring while steering clear of four-legged traffic. As friends and family members watched from metal bleachers, Karis’s mother, Karalyn, crouched outside the ring with her Canon EOS R10.
“I always tell my kids that you have to try the be the least amount of annoying,” Mrs. Dadson said. “If the judges can’t find something annoying, you might stay up there.”
Through social media, the Dadsons, who raise and sell pigs, have brought livestock shows — and, more specifically, the niche world of show pigs — to the masses. A palate cleanser for doomscrollers, the videos, many of which have surpassed 10 million views, are a smorgasbord of farm-themed infotainment: tutorials, explainers, show recaps and, of course, crowd-pleasing stares. Karis, in particular, has emerged as a surprising symbol of female focus and determination — not that she meant for any of that to happen.
More than 100,000 young people participate annually in pig shows across the country, according to Clay Zwilling, the chief executive of the National Swine Registry. But there is only one pair of Dadson twins, who, Mr. Zwilling said, offer a “positive example of the show livestock industry” to many who never would have known it existed.
Karis and Krew have handled newfound celebrity in their own ways. While Krew says he likes the attention, Karis seems bewildered by it all. She sometimes wonders: How did she and her brother wind up on Will Smith’s Instagram feed? Why are so many other kids asking for selfies? Is she really a 21st-century queen and boss who, according to the internet, both serves and slays?
“It’s weird,” she said. “To me, I’m just another person showing a pig.”
Sharing Their Life
One of the semi-apocryphal stories about the Dadson twins is that they were born during a livestock show. The official version is that Mrs. Dadson went into labor while her husband, Kyle, was showing pigs at a nearby county fair. She had nearly told him he should stay home, but there was no chance it would play out that way.
It worked out in the end. After Mrs. Dadson called him, he beat her to the hospital, she said. Karis was born three minutes before Krew and has acted like his older sister ever since.
The Dadsons now live on a quiet street in Paso Robles, where they share their property with 12 show pigs, six sows, six piglets, two show sheep, four dogs, two ducks and four barn cats that work security.
“They’re supposed to eat the mice,” said Mr. Dadson, 46, an agriculture teacher at the nearby Atascadero High School, where Karis and Krew are freshmen.
Dozens of vinyl banners from livestock shows line the interior walls of the barn in their backyard where several of their pigs are housed. The twins have been showing pigs since they were 4. One of their first public appearances was at the California Pork Spectacular.
Mrs. Dadson, 38, had modest goals when she started sharing videos of her children competing. She had always enjoyed watching showmanship content online, she said, and wanted to contribute. She also was proud of her children. Best case scenario? Perhaps the posts would help the family sell some pigs.
So she was floored when her TikTok of Karis (staring, of course) at the 2022 Arizona National Livestock Show eclipsed one million views. Mrs. Dadson thought it would be a one-off. But then it happened again and again and again.
The overwhelming response to the videos was encapsulated in a comment from a TikTok user, which read: “Do I watch livestock shows? No. Did I know who this diva was the second she came on the screen? ABSOLUTELYYYY.” The comment alone received more than 20,000 likes.
The Dadsons have reached their largest audience via TikTok, where they have about 420,000 followers. But given TikTok’s uncertain future, Mrs. Dadson is glad the family has a presence on several other platforms, including Instagram, Facebook and YouTube.
For the record, all that staring is not a gimmick. Austin Thompson, one of the judges at the Western Bonanza, described making eye contact with judges as an “unwritten rule” in showmanship. It is a sign that the exhibitors are paying attention to the judge’s cues. And if it conveys confidence, that helps, too.
“I like the kids who come out of the gate with that kind of intensity,” Mr. Thompson said. “It just shows a little more care: They’re here to win and to do something.”
Karis said she had practiced until staring became second nature.
“I’m not thinking about the way that I look,” she said. “I’m thinking about how I’m moving around the ring.”
“I think it’s a little goofy,” Krew said.
‘We Are Pork Producers’
At the Western Bonanza, Karis was a cyclone of energy, bouncing between barns — she was also showing sheep — even though her path was interrupted every few feet so that she could give someone a hug.
“These are all my best friends,” said Karis, who checked her iPhone. “I’m already at 9,000 steps.”
Here, no one treated her like a social media star. Instead, she was just Karis, a teenager who likes to cook, spend time with her animals and gab on the phone with her friends.
At one point, her mother urged her to grab lunch.
“And not just Starbucks,” Mrs. Dadson said. “You need some protein.”
Karis resurfaced a few minutes later — with an ice cream cone. Her mother groaned.
“The line was too long!” Karis said.
It was also lunchtime for her pigs. James Backman, a show pig breeder from Denair, Calif., who works with several families like the Dadsons, was studying the animals to see how much additional feed each needed to bulk up before the next morning’s contests. The scene was vaguely reminiscent of boxers who cut weight before their bouts, except in reverse.
It served as a reminder that luminaries like Johnny Ringo are livestock, not pets. In the old days, farmers would get together to decide which of their pigs were best for breeding. Now, there are competitions, but the fundamental purpose is much the same. Some show pigs go back to breeders. Others are harvested for meat.
“My dad used to say that you’re producing a product that’s going to land on somebody’s dining room table,” Myrna Wicks, the Dadson twins’ maternal grandmother, said. “And it better be the best product you can put on that table.”
At the Western Bonanza, that message was reinforced when Karis grabbed a pulled pork sandwich from a friend’s nearby spread. Breakfast burritos at a food truck next to the pig barn came with a choice of bacon or chorizo.
Still, emotional attachments form on occasion (think: Wilbur from “Charlotte’s Web”). “There was one pig that Krew was like, ‘Do we have to get rid of him?’” Mrs. Dadson said. “His name was Dwayne.”
Krew gets it, though, and drove the point home when his family appeared on a recent episode of “The Pork Podcast.” The host had asked the Dadsons about their interactions with livestock show neophytes.
“Me, personally, I think the weirdest question I’ve seen on the comments section is, ‘Do you eat pork?’” Krew said. “And to answer that: Yes, we eat pork. We are pork producers, and we eat pork.”
While the Dadsons have earned enough money from social media to “pay for more pigs,” Mrs. Dadson said, the videos do not produce a steady stream of revenue. They enjoy other perks: free swag, for example, from animal feed companies like Hueber and Lindner, and from Andis, which manufactures clippers.
Given their visibility, the Dadsons sometimes feel like piñatas for animal-welfare advocates. Mr. Dadson said he had stopped reading the comments on their social media posts. Mrs. Dadson mines them for material so that she can correct misconceptions.
“It’s constant,” Mrs. Dadson said. “They don’t understand how well we take care of them. We like to think that they got to live out their best lives.”
The Dadsons can often be found wearing baseball caps with branding for All N, a hydration supplement. Their pigs apparently swear by it.
“Makes their skin pop,” Mrs. Dadson said.
‘She Commands Attention’
The pigs were not the only stylish ones in Paso Robles. The girls favored flared, boot-cut jeans by 7 for All Mankind with the No. 7 embroidered on the back pockets. Many of the boys wore jeans, button-down shirts and quarter-zips by Cinch.
“You put all this effort into their outfits,” Mrs. Dadson said, “and then they get ruined so fast. Pig poop all over them. But we try to keep them looking presentable most of the day.”
Despite the scatological obstacles, the fashion world has been calling. Karis recently made her modeling debut, appearing in the first issue of Domina Journal, a biannual art and fashion magazine that describes itself as a “testament to the perseverance of the artistic feminine spirit.”
Last summer, staff members from the magazine spent a few days at the family farm and at the California Mid-State Fair, where Jay Barrett, Domina’s editor in chief and fashion director, said Karis managed to stand out amid “cowboys in 10-gallon hats, rows of livestock and the biggest American flags I’ve ever seen.”
“She commands attention,” Ms. Barrett added in an email. “A look seasoned industry models strive for, at just 14, she’s got it. She’s exactly what we were looking for: defining female power, in an unexpected way.”
Karis said the photo shoot was fun. She also got a kick out of the people who dressed as her for Halloween. (One woman cast her husband in a supporting role as the pig.) But she knew her life had changed last summer when she was recognized at a series of livestock shows in the Midwest.
“It’s just different,” Karis said. “It’s not like I’m mad about it, but it’s new. I’m getting used to it.”
‘All These Kids Are Good’
In many ways, the Dadsons seem like accidental evangelists for the livestock life and the lessons they say it imparts to young people. Karis and Krew care for their pigs before and after school, feeding them, washing them and training them. They typically compete at one show a month.
In the process, Mr. Dadson said, the twins have learned how to create budgets and manage their time. Karis, who wants to work in agriculture when she grows up, said she was proud to be a part of her community.
“You could go up to any group in the pig barn,” she said, “and they would give you a three-course meal.”
Mr. Thompson, the judge at the Western Bonanza, recalled his own childhood raising show pigs. While the chance to compete often felt like a reward, each show produced only a handful of champions.
“It teaches you how to lose more than to win,” Mr. Thompson said. “You can work harder than anybody, and still not win. But you have to work to give yourself a chance.”
Win or lose, exhibitors invariably shake hands with the judge, though their disappointment sometimes manifests itself in the form of slouched shoulders and hangdog expressions.
For the longest time, Mrs. Dadson said, Karis looked up to her friend Maddy Lindley. Karis never thought she would compete at Maddy’s level, and when she did, her confidence soared. But Karis’s unusual level of public exposure has created unrealistic expectations.
“There are people who assume, ‘Oh, Karis should win every time,’” Mrs. Dadson said. “No, all these kids are good. You just don’t see their videos.”
At the Western Bonanza, the Dadsons advanced to the final in four contests. Karis won the showmanship crown in one and finished as the runner-up, or “reserve champion,” in another.
Whenever Karis left the ring and spotted her family, she abandoned the game face that has made her famous and adopted an expression that, as a show pig exhibitor, would most likely get her nowhere on social media: She smiled.
Lifestyle
CNN has endured turmoil for years. With Warner Bros. sale, things will get bumpier
CNN anchors Jake Tapper and Dana Bash speaking to members of the audience before the start of the CNN Republican presidential debate in Des Moines, Iowa, Jan. 10, 2024.
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Andrew Harnik/AP/AP
After Netflix made a big play to buy most of CNN’s parent company, journalists and executives at the news network thought they had dodged a bullet. One week later, it’s pretty clear they hadn’t.
Two questions remain: Why did they think that in the first place? And what’s ahead?
Netflix, which is already the nation’s leading streamer, had struck a deal to acquire the movie studios, archives, intellectual property and streaming services of CNN’s parent company, Warner Bros. Discovery.
But Netflix did not want to become Newsflix. CNN and its sister cable channels were to be spun off in a separate company. Inside CNN, that seemed like good news.
“It will enable us to continue to roll out our strategy to secure a great future for CNN by successfully navigating our digital transition,” Mark Thompson, the chairman and CEO of CNN Worldwide, wrote in a memo to staff shortly after Warner said it would accept the Netflix offer.
Mark Thompson, chairman and CEO of CNN Worldwide, speaks onstage during Warner Bros. Discovery Upfront 2024 on May 15, 2024 in New York City.
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Staffers recalled the mass layoffs caused when new corporate owners at Warner canceled the network’s streaming service CNN+ in April 2022, just a month after it launched. They say they had been heartened to think their new efforts might actually get off the ground.
But in the new plan, as part of a corporate family of fading cable channels loaded with debt from the merger that created Warner Bros. Discovery, CNN’s fate would remain entirely up for grabs.
And President Trump, who has long called networks such as CNN fake news and long sought to taunt or toss out CNN’s reporters, now wants a deciding role in the network’s future.
“I think the people that have run CNN for the last long period of time are a disgrace,” Trump said Wednesday at the White House in response to a question from a Daily Mail reporter. “I think it’s imperative that CNN be sold.”
This account is based on interviews with seven current and former CNN staffers, including journalists and executives. They spoke on condition they not be named due to the uncertainty surrounding the network’s future and, for those still at CNN, their jobs.
CNN put in play by corporate maneuvers
CNN’s status was put in play this past summer, when Warner CEO David Zaslav announced the company would split in two. Unsolicited, David Ellison, backed by his billionaire father Larry, bid for the entire company. Zaslav turned them down. They kept at it. He finally put the company up for auction.
Larry Ellison is the co-founder of Oracle, one of the richest people on the planet, and an ally of Trump. David is the head of Skydance, a Hollywood production company. Since last summer, he’s also the head of Paramount Global, which includes CBS, Paramount Studios and other properties.
Billionaire and Oracle co-founder Larry Ellison shares a laugh with President Trump as Ellison stands on a stool at a news conference at the White House on Jan. 21, 2025. Ellison’s son David is making a hostile bid for Warner Bros. Discovery.
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Presidents do not – or are not supposed to – play a role in anti-trust decisions. They are typically handled by Justice Department officials or semi-autonomous regulatory agencies.
Yet to get the sale of Paramount to the finish line, its prior ownership paid $16 million to settle a lawsuit Trump filed against CBS’s 60 Minutes – a lawsuit that outside legal observers considered flimsy. The company also announced the end of the late night show of longtime Trump critic and satirist Stephen Colbert.
The Federal Communications Commission approved the Ellisons’ takeover of Paramount, required because the company owns 28 local television stations and needed government signoff to allow the transfer of their broadcast licenses.
With David Ellison now at the helm of CBS, there have been more changes that appear to be aimed at responding to Trump’s criticism of the network and to appeal to conservatives, according to four people at CBS. (They spoke on condition of anonymity to characterize sensitive corporate matters.)
Ellison named Kenneth Weinstein, a former head of a conservative think tank, as ombudsman at CBS News and he also selected Bari Weiss, the founder of the right-of-center Free Press, as the network’s editor in chief. Ellison also fulfilled pledges to scrap DEI initiatives at the network.
Despite feeling of relief, CNN still vulnerable
Hence the sigh of relief inside CNN when news broke of Netflix and Warner’s deal: many of CNN’s journalists didn’t want the political implications of having Paramount as owner. Nor did they want to merge with CBS, which would entail massive job losses.
Yet the Netflix deal, assuming it is consummated, would leave CNN and its sister channels exposed, vulnerable to purchase by someone else. Maybe a local TV giant like Nexstar or Sinclair Broadcast Group, which have a center-right and a hard right orientation, respectively, would want to acquire it. Maybe an investment fund would.
It is just as likely Paramount itself would give it another go – and pick up the former Warner channels on the cheap. Ellison had suggested they were worth $1 a share. (He is currently offering $30 a share for the whole company.) And now, among some staffers at CNN, there’s a sense of growing dread.
Trump’s comments Wednesday about the network’s leadership were “extremely unprecedented, perhaps not surprising, coming from President Trump, given his long dislike for any journalism that holds him accountable,” CNN anchor Jake Tapper said on his show Wednesday in a clip he reposted on social media. “He made it so clear that the fate of CNN is what’s driving his view and his potential involvement [in] this potential transaction when it comes to who buys Warner Bros. Discovery.”
Tapper’s on-air guest was former CNN reporter Oliver Darcy, founder of the media newsletter Status. He told Tapper that Trump was “a thin-skinned aspiring autocrat who wants to seize control of the media. And he wants an obedient press.”
David Ellison has mounted a hostile takeover bid for Warner Bros. Discovery. Here, the Paramount Skydance CEO speaks during the Bloomberg Screentime conference in Los Angeles on Oct. 9, 2025.
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Paramount seeks to build trust as it seeks to bulk up
As this week has proven, the Ellisons are far from finished in their pursuit of the entire company. They upped their offer a bit. They pledged to unify big studios and beef up streaming, sports rights and cable properties to take on the likes of Netflix. They promised to save Hollywood from being swallowed by the giant streamer. The Ellisons are seeking to rally the creator class on their behalf.
Having been frozen out by Warner chief Zaslav, Paramount pitched itself to Warner’s investors as the logical and more profitable choice — backed by far more cash up front than Netflix’s offer. Paramount’s new chief legal officer is Makan Delrahim, perhaps best known as the head of the U.S. Justice Department’s antitrust division during Trump’s first term in office. Ironically, in office Delrahim unsuccessfully sought to block AT&T from acquiring CNN and its then-corporate parent.
AT&T may have wished Delrahim had succeeded in court; it spun off its media holdings to merge them with Discovery several years later, creating Warner Bros. Discovery.
Sen. Elizabeth Warren, a Massachusetts Democrat, is among the lawmakers who have raised questions about media consolidation on bids from both Netflix and Paramount.
“We’ve got two already giant companies, both of which have these big streaming services,” Warren said Thursday on NPR’s Morning Edition. “We’re going to spend a bazillion dollars to do this. But we’re going to make even more bazillions of dollars.
“And how do they plan to do that?” she asked rhetorically. “Well, there’s only two places to go. They plan to do it by squeezing the workers. That is, there’ll be fewer places to pitch your movie. There’ll be fewer places to be a makeup artist or to drive trucks for. And they plan to squeeze the consumers. And they do that, of course, by raising prices.”
Major investors, major ties to Trump
David Ellison argues the administration will more readily approve Paramount than Netflix. And he’s not been shy about touting his family’s ties to Trump. “I’m incredibly grateful for the relationship that I have with the President, and I also believe he believes in competition,” Ellison told CNBC earlier this week. Earlier this year, Trump arranged for Larry Ellison to receive a significant stake in the U.S. version of TikTok.
Crown Prince and Prime Minister Mohammed bin Salman of Saudi Arabia holds a joint press conference with President Trump in the Oval Office of the White House on Nov. 18, 2025.
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As for the financing of the Paramount deal: According to the small print of Paramount’s filings with federal financial regulators, it involves the Public Investment Fund of the Kingdom of Saudi Arabia, controlled by Saudi Crown Prince Mohammad bin Salman, an ally of the president who was implicated in the assassination of Washington Post columnist Jamal Khashoggi in 2018. At least two Republican senators said after classified briefings they believed Prince Mohammad was involved in the hit. The Office of the Director of National Intelligence concluded the prince approved an operation to capture or kill Khashoggi.
Other investment partners in the Paramount bid include the L’imad Holding Co. PJSC of Abu Dhabi, the Qatar Investment Authority and the U.S. investment fund Affinity Partners. The last of those funds is controlled by Jared Kushner — the president’s son-in-law and former White House adviser. In its securities filing, Paramount said all agreed to foreswear any claim to a seat on the board of directors.
In interviews, CNN staffers recoiled at the idea that the Saudi royal or the Trump in-law would have any ownership stake in the network – even given the promises they would keep their distance.
“They could be in it purely for profit,” says Kelly Shue, a finance professor at the Yale School of Management said of the investors. “But it is also disturbing that they could control media framing and news.”
That’s the appeal for Trump.
When a reporter for ABC News questioned Prince Mohammad about Khashoggi and the Saudi involvement in the September 2001 terror strikes on the U.S in an Oval Office appearance last month, Trump attacked her for being “insubordinate” — as though she worked for him somehow.
Similarly, on Wednesday, when Trump was asked about the release of a video showing the U.S. strikes on Venezuelan vessels that his Defense Department claims are operated by terrorists, he turned his ire on the questioner.
“I thought that issue was dead. I’m surprised. You must be with CNN,” Trump said to the reporter, who indeed was with CNN. “You know you work for the Democrats, don’t you? You’re basically an arm of the Democrat party.”
With that, Trump shut down questions from all reporters present.
Paramount’s current offer to buy Warner is good through Jan. 8th, although it could be extended.
On Monday, Netflix co-chief Ted Sarandos told investors that he foresaw a new bid from Paramount and that he expects Netflix’s deal to hold.
There’s no sign that this auction is over yet. And there’s no more clarity on who will own — or control — CNN.
Editor’s note: CNN, Paramount Plus, Warner Bros. Discovery and Warner Bros. Pictures are among NPR’s financial supporters.
Lifestyle
Leah McSweeney Declares Herself The ‘Baddie’ Who Ruined A Favorite Franchise | Celebrity Insider
Instagram/@leahmob
Leah McSweeney, the former actress from ‘Real Housewives of New York’ and the creator of Married to the Mob, has proposed a rather bold statement regarding her impact on the franchise that seems to be the subject of much discussion among viewers. Recently, McSweeney shared a series of beautiful pictures, one of which had a caption that could very well be among the most heated discussions. She wrote, ‘Just a baddie that ruined your favorite franchise 🖤’. The message is a direct, unapologetic reference to her tumultuous yet eventful involvement in the reality show and its subsequent cancellation.
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The post ignited a flurry of comments from her friends, former colleagues, and, of course, followers. Many vehemently disagreed with her criticism of herself and backed her up. One user replied, ‘Ruined neverrrrrr. You ELEVATED THAT SHIT 🔥😍’. Another user who held a similar opinion said, ‘You didn’t ruin anything. You brought life to that show. There’s a reason it’s not on anymore and it has nothing to do with you’. The support these fans show is indicative of the fact that the following who keeps her in the picture sees her as a good, if somewhat controversial, influencing factor.
In other comments, a more confrontational approach was taken, and the divisive nature of her TV personality was focused on. After one user said, ‘I’ve a feeling you ruin everything you come in contact with babe’, McSweeney took revenge on her by getting back at her. The pair not only failed to convince each other but, in the process, McSweeney even remarked, ‘u a lil miserable 🐀’ and later one said, ‘my worth depends on how I treat people and esp women, I don’t leave weird comments on their pages, like u do’. The public spat was a display of her combative yet unfiltered style that has become her trademark.
Not only are McSweeney’s supporters showing their loyalty towards her, but the incident also exemplifies when comments were made during the discussion. A long-time supporter has even said that besides the comments he is always there during the brand name ‘Married to the Mob’ referring to how difficult it is to find a leading and uplifting role model for women like McSweeney who is still present in that role through business and the position of a female empowerment figure while TV might be the past for that. Another person, who pretended to be an old friend, said, ‘I ain’t mad that my high school friend turned out to be such a 🔥🔥🔥’, adding a personal note to the public praise.
Her heading also triggered calls for a different part in the television show rerun. A follower who wished the best said, ‘You still need your show’, a suggestion that probably most of her fans would concur with. Another post said, ‘The girlies need MTTM more than ever!! Save us 🙏🏽🙏🏽🙏🏽’, making a direct link to her fashion line and the connections it created. This reveals that they want her to be the one telling her story rather than sharing the cast on a reality show.
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Leah McSweeney’s post is not just photos; it is also a declaration of entitlement. By referring to herself as the ‘baddie’ who ‘ruined’ a certain franchise, she reclaims the narrative that accompanied her controversial departure from television. Whether the audience sees her as a villain or a hero, she can still draw attention and stir up debate, and that is precisely why her power is so difficult to deny. In the world of reality television where everything hinges on perception, McSweeney continues to narrate her story through the defiance and pride that she possesses.
Lifestyle
Forget flowers: These ancient plants attract pollinators by getting hot
Beetles (Rhopalotria furfuracea) visit a male cone of the cycad plant Zamia furfuracea, whose cones produce heat during pollination.
Michael Calonje
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Michael Calonje
Some of the earliest plants attracted pollinators by producing heat that made these plants glow with infrared light, according to a new set of experiments.
The work, published in the journal Science, suggests that long before brightly colored flowers evolved, these ancient plants would metabolically rev themselves up when they had pollen at the ready. Nocturnal insects such as beetles could then see that heat from afar and home in on the target.
These heat-producing plants, called cycads, exist today in tropical forests around the world, although they’re one of the most endangered plant groups.
“Some people call them dinosaur plants because they were much more dominant when the dinosaurs were around,” says Wendy Valencia-Montoya, a cycad expert at Harvard University.
Fossils from over 200 million years ago, compared to cycads that exist today, show that “the plants look exactly the same,” she says. “So they haven’t changed much in hundreds of millions of years.”
They’re related to pines, and male and female plants each produce fleshy, pine-cone-like structures that contain the pollen and the seeds. “That’s something very unique among this group of ancient plants,” says Valencia-Montoya, who says these are the oldest known plants that have pollen.

A couple of centuries ago, botanists noticed that these plants produced heat in their reproductive structures. Compared to the ambient air temperature, they can be hotter by 15 to 25 degrees Fahrenheit, or even more.
“We think of producing heat as something that mammals do, or birds do, but in fact, plants can do it too,” she says, although it’s not common in the plant world and takes a lot of energy.
In these plants, the heat was thought to be a byproduct of metabolic processes. Or, maybe the heat volatilized the scent of the plant, much like plugging an air freshener into an electrical outlet to generate heat that sends scent around a room. Research done in the last couple of decades has shown that male and female cones heat up at slightly different times, which could send pollinators moving from one cone to the other.
To try to understand more about what was going on, Valencia-Montoya and her colleagues painted some pollinating beetles with fluorescent markers to watch when the beetles went to the plant. And they found that the beetles were clearly going to the plant cones when they heated up.
This thermal image shows two male cycad cones releasing pollen. This plant’s cones heat up during pollen-release.
Wendy Valencia-Montoya
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Wendy Valencia-Montoya
To decouple the heat from other potential signals that these plants produce, like scent and humidity, her team used 3-D printing to make some simulated pollen cones. These fake plant structures were hollow inside, and got filled up with heated sand.
The fake cones glowed in the infrared much like real plants. “It was quite striking, when we saw it in the field,” says Valencia-Montoya, who says the fake plants were deployed outside at the Montgomery Botanical Center in Coral Gables, Florida.
Using these fake plants, the researchers figured out a couple of tricks to see if insects were attracted to the infrared glow, rather than the tactile sensation of heat itself. For example, in one experiment, they wrapped the cone with plastic wrap that is transparent to infrared light. Insects could see the infrared light but not get close enough to the cone to actually feel the heat.

What they found is that the infrared glow, by itself, was enough to attract hundreds of pollinating beetles.
And when they looked at those beetles, they found that they have specialized antennae that have evolved to detect slight differences in temperature — similar to the heat-sensing receptors used by snakes to detect prey.
What’s more, it turns out that the beetles’ antennae seem to be tuned to the exact temperature range deployed by their host plant, since different beetle species frequent different cycad species.
“Infrared radiation is perhaps the oldest discovered pollination signal,” says Nicholas Bellono of Harvard University, one of the authors of the new study.
Back when plants first evolved pollen, the insects that were around were nocturnal and had poor vision, says Valencia-Montoya. “So it makes a lot of sense that a signal like heat was guiding them.”
But as new groups emerged that were active in the day and had better vision, like butterflies and bees, “it makes more sense for plants to change their signaling strategy to also tap into the sensory systems of these more recent pollinators,” she says, adding that in evolution, there’s a constant dance back and forth between plants and their pollinators. Once color became a possible signal, flowering plants had an immense range of color combinations at their disposal, allowing them to rapidly diversify.
These researchers used “a powerhouse of techniques” to prove that the temperature of cycad’s heat-producing cones is intimately related to attracting pollinators, and that this association is ancient, says Roger Seymour, with the University of Adelaide in Australia, who wasn’t part of the research team: “This is an important contribution.”
Seymour thinks that heat could have more than one role, however, and the chance for a warm-up may be a bonus for beetles that require high body temperatures for activity. “Heat can be a direct energy reward to insect pollinators which may remain inside a thermogenic flower for much longer than insects visiting non-thermogenic species,” he says.
Irene Terry at Tthe University of Utah, an ecologist who specializes in cycads and their insect interactions but wasn’t part of this research team, says it’s only been relatively recently that people realized these ancient plants even had pollinators, rather than just spreading their pollen with the wind.
Particular odorants seem to be important pollinator attractants, she says, noting that these plants can smell like everything from bubblegum to bell peppers. Still, this study shows “in the most beautiful way” that infrared is also key.
“I was not surprised at all that infrared was involved,” says Terry, given that other insects like mosquitoes use infrared to find their way to a target. “There’s a range of things that insects can see that we don’t.”
Imagine, says Bellono, being a prehistoric beetle trying to navigate the darkened environment in the early evening, and seeing various plants start to glow red.
“The infrared is an entirely different world that we don’t experience,” he says. “I think that’s a cool thing to think about, going back in time, that this signal was around when the dinosaurs were there, long before us. And the beetles still use it to this day and are still experiencing that world.”
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