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Students will be walking out of class on Friday to protest climate change thanks to this amazing kid.

Students will be walking out of class on Friday to protest climate change thanks to this amazing kid.

If you like people who "tell it like it is" and courageously speak truth to power, you'll love Greta Thunberg.

When it comes to taking action on climate change, Greta Thunberg doesn't mess around. The 16-year-old Swede's encyclopedic knowledge and brutal bluntness regarding the climate crisis have propelled her onto the international stage, where she calmly and assuredly tells powerful politicians and leaders that they are failing.

Thunberg is a unique figure, to say the least. As a child on the autism spectrum who has spent years studying climate change, she exemplifies the laser-sharp focus and intense dedication such kids are capable of. As a teen activist, she shows us what it means to make your voice heard and rally the masses. As a human being, she reminds us that nothing is more urgent than taking immediate, meaningful action to save the future of our planet.

And she does it all with an even-tempered frankness that is both jarring and refreshing.

Her speech to the UN climate summit is a must-see. This girl did not come to play.

When organizers invited Thunberg to speak at the COP24 summit last December on behalf of Climate Justice Now, I wonder if they knew that the world's leaders were going to have their asses handed to them by an angel-faced girl in Pippi Longstocking braids.

Imagine being 15 years old and telling the most powerful people on the planet—to their faces:

You only speak of green eternal economic growth because you are too scared of being unpopular. You only talk about moving forward with the same bad ideas that got us into this mess, even when the only sensible thing to do is pull the emergency brake. You are not mature enough to tell it like is. Even that burden you leave to us children. But I don't care about being popular. I care about climate justice and the living planet. Our civilization is being sacrificed for the opportunity of a very small number of people to continue making enormous amounts of money. Our biosphere is being sacrificed so that rich people in countries like mine can live in luxury. It is the sufferings of the many which pay for the luxuries of the few.

The amazing thing about Thunberg is that she says things like this in the sweetest, most matter-of-fact manner imaginable. It's incredible to watch.

"The year 2078, I will celebrate my 75th birthday. If I have children maybe they will spend that day with me. Maybe they will ask me about you. Maybe they will ask why you didn't do anything while there still was time to act. You say you love your children above all else, and yet you are stealing their future in front of their very eyes. Until you start focusing on what needs to be done rather than what is politically possible, there is no hope. We cannot solve a crisis without treating it as a crisis. We need to keep the fossil fuels in the ground, and we need to focus on equity. And if solutions within the system are so impossible to find, maybe we should change the system itself. We have not come here to beg world leaders to care. You have ignored us in the past and you will ignore us again. We have run out of excuses and we are running out of time. We have come here to let you know that change is coming, whether you like it or not. The real power belongs to the people."

YES. Go girl.

Thunberg's activism has earned her a nomination for the Nobel Peace Prize.

Thunberg certainly has a way with words, but her primary focus is on taking action. Last year, she staged a full-time sit-in on the steps of Swedish parliament to protest climate change inaction. In the beginning, she sat alone. Now thousands of young people around the world are joining her.

On Friday, March 15, students in more than 1600 locations in more than 100 countries will partake in school strikes to bring their leaders' attention to climate change and protest inaction on the climate crisis.

Check out the teen-founded and teen-led organization Youth Climate Strike U.S., inspired by Thunberg's activism.

No wonder Thunberg has been nominated for the Nobel Peace Prize. If anything can unite the planet, it should be the desire to save our beautiful, life-giving home from destruction, and the collective will to make that happen.

As Thunberg told the World Economic Forum in Davos, Switzerland:

"We are at a time in history where everyone with any insight of the climate crisis that threatens our civilization–and the entire biosphere–must speak out in clear language, no matter how uncomfortable and unprofitable that may be. We must change almost everything in our current societies. The bigger your carbon footprint, the bigger your moral duty. The bigger your platform, the bigger your responsibility.

Adults keep saying: “We owe it to the young people to give them hope.” But I don’t want your hope. I don’t want you to be hopeful. I want you to panic. I want you to feel the fear I feel every day. And then I want you to act. I want you to act as you would in a crisis. I want you to act as if our house is on fire. Because it is."
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Joy

5 small things that made us smile this week

Your weekly cheat sheet to the best of the Internet

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Life can be bleak, so we’re going to be celebrating the small joys while we can—whether that’s a sweet snack that boosts your mood (courtesy of our friends at All In), or a spontaneous moment between strangers that's so joyful it restores your faith in the algorithm (even if only for a second). These momentary mood boosters are everywhere you look—you just have to be able to find them underneath all the noise. And that’s where we come in.

Consider this weekly web series your cheat sheet to the best of the Internet—not just random memes to make you laugh, but examples of people truly finding something extraordinary in the mundane. Each Friday we'll be delivering five pieces of media that allow you to stop for a second, take a breath, and feel just a little bit brighter among the daily stress. (Think of us as your chronically online bestie who knows exactly how to make you smile, exactly when you need it the most.)

Ready to smile? Here we go.

1. The best travel buddy surprise 

 
 @tarareynolds03 

Surprising Grandson with going on vacation with him.

 ♬ original sound - Tara Leanne Reynolds 
 
  This sweet grandson thought he was just heading out on vacation—until he spotted a very familiar face at the airport. The moment he sees Grandma standing there, his jaw literally drops. He sets his backpack down and then runs straight into her arms for the biggest hug. "Oh my God! You're coming with us to Jamaica, right?!" he asks her, already smiling from ear to ear. It's the kind of unscripted joy that makes you want to call your own grandma to say hi—and other TikTokers are having all the feels in the comments section: "This brought me to tears," says user KE. "I would kill to go on another vacation with my grandma again. She passed in February. Take so many pictures!"

2. Saying 'thank you' to a very special teacher 

Last week, we shared a question on Upworthy’s Instagram that sparked an outpouring of heartfelt responses:
 “If you could say thank you to one person right now, who would it be, and why?”

For Kate Delisle, a teacher in North Andover, Massachusetts, the answer came instantly: her longtime colleague and teaching assistant, Jeanne Donovan.

“Jeanne has been by my side for seventeen years,” Kate shared. “Next year, we’ll have to split our program — and we won’t be working together anymore.” In her message, Kate described Jeanne as more than just a coworker. She’s supportive, empathetic, and “my right arm — someone who lights up every room she enters. I’m privileged to know her and consider her family.”

To celebrate that incredible bond, our friends at All In recently paid a surprise visit to Kate and Jeanne at their school — letting Jeanne know just how deeply appreciated she is by her colleagues and students alike. And get this: Jeanne is *so* beloved that Kate's parents, kids, sister, and husband all came to the surprise to honor her alongside everyone else. A true tear-jerker and a must-watch.

3. The proudest big brother

 
 @caylaleighbrown This is the original video, He also said it looks like Mike Wazowski after we got done crying LOL #fyp #infertility #infertilityjourney #twins #twinpregnancy #ultrasound #pregnancyafterinfertility #pregnancyannouncement #twinannouncement #twinsies #twinmom ♬ original sound - Cayla Brown ✨ WDW 
 
 

Grab your tissues for this one. After eight long years of hoping for another baby, TikTok user Cayla Lee Brown surprises her stepson Caleb with a sonogram photo—and his reaction is nothing short of beautiful. When Caleb realizes not only that he's going to be a big brother but that twin siblings are on the way, his eyes well up and he whispers "We're having twins?!" Cue the heart explosion. In a follow-up video, Cayla shares something that makes this news extra special: Caleb isn't actually her biological child, and although she considers Caleb her son she wasn't sure she'd be able to have biological children at all. "[Caleb] was my gift and I was blessed with two more," she explains. This video is the best reminder that love makes a family, and sometimes the best surprises take a little time.

4. Overly excited dogs 

 
 @puppylovestoplay6 Part23: When they hear a word they like#dog#funny#funnyanimals#funnypets#animals #dogsofttiktok #pet #foryou #longervideos#foryou#fyp #funnyvideo ♬ original sound - Puppylovestoplay 
 
 

This feel-good compilation is basically a highlight reel of dogs at their happiest: realizing they’re about to go on a walk. From excited tail wags to full-body zoomies, every pup in this video gives a masterclass in unfiltered enthusiasm. One especially clever owner even uses sign language to say “walk,” just to see if their dog picks up on it—and spoiler: the reaction is still pure chaos (the joyful kind). These dogs just know, and they are ready (read: unhinged.) Truly a reminder that the simplest things—in this case, some fresh air and a little adventure—are what spark the most joy.

5.Bunny ASMR

 
 @megancottone The way she munched down the carrot ribbon #bunnies ♬ Married Life (From "Up") - Gina Luciani 
 
 

If you've had a stressful day, allow this floofy little friend to press the reset button on your brain. TikTok creator @megancottone gives us a full 60 seconds of bunny bliss: one ridiculously adorable rabbit, some deliciously crunchy snacks, and the kind of soft background music that makes your heart rate drop in the best way. The gentle munching noises? Therapeutic. The fuzzy face and floppy ears? Instant joy. It’s like nature’s version of white noise—but cuter. Honestly, someone get this bunny a wellness podcast deal.

For even more “extra”-ordinary moments, come find us on social media (@upworthy) or on upworthy.com!

For scrumptious snacks that add an extra boost of joy to your day, be sure to check out All In. 

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Sustainability

Beavers were brought to the desert to save a dying river. 6 years later, here are the results.

Their engineering feats are pretty dam incredible.

Canva Photos

Can outsider beavers save this dried up river?

It's not easy being a river in the desert under the best of circumstances. The ecosystem exists in a very delicate balance, allowing water sources to thrive in the harsh conditions. These water sources in otherwise extremely dry areas are vital to the survival of unique wildlife, agriculture, and even tourism as they provide fresh drinking water for the people who live nearby.

But man-made problems like climate change, over-farming, and pollution have made a tough job even tougher in some areas. Rivers in Utah and Colorado that are part of the Colorado River Basin have been barely surviving the extremely harsh drought season. When the riverbeds get too dry, fish and other aquatic creatures die off and the wildfire risk increases dramatically.

About six years ago, one team of researchers had a fascinating idea to restore the health of some of Utah's most vulnerable rivers: Bring in the beavers.

 beavers, beaver dam, animals, wildlife, ecosystem, nature, earth, sustainability, deserts, waterways, rivers, pollution, climate change Beaver in water.  Photo by Svetozar Cenisev on Unsplash  

In 2019, master's student Emma Doden and a team of researchers from Utah State University began a "translocation" project to bring displaced beavers to areas like Utah's Price River, in the hopes of bringing it back to life.

Why beavers? It just makes dam sense! (Sorry.)

Beaver dams restrict the flow of water in some areas of a river, creating ponds and wetlands. In drought-stricken areas, fish and other wildlife can take refuge in the ponds while the rest of the river runs dry, thus riding out the danger until it rains again.

When beavers are present in a watershed, the benefits are unbelievable: Better water quality, healthier fish populations, better nutrient availability, and fewer or less severe wildfires.

It's why beavers have earned the title of "keystone species," or any animal that has a disproportionate impact on the ecosystem around them.

Doden and her team took beavers who were captured or removed from their original homes due to being a "nuisance," interfering with infrastructure, or being in danger, and—after a short period of quarantine—were brought to the Price River.

Despite the research team's best efforts, not all the translocated beavers have survived or stayed put over the years. Some have trouble adapting to their new home and die off or are killed by predators, while others leave of their own accord.

But enough have stayed and built dams since 2019 that the team is starting to see the results of the effort. In fact, beaver projects just like this one have been going on all over the state in recent years.

  - YouTube  www.youtube.com  

The water levels in the river are now the healthiest they've been in years. The fish are thriving. Residents of Utah are overjoyed at the results of the experiment.

A column in The Salt Lake Tribune from 2025 (six years after the beaver translocation began) writes that the revitalization of the Price River "helped save our Utah town."

"A tributary of the Colorado River, the Price River runs through downtown Helper. On a warm day, you’re likely to find the river filled with tourists and locals kayaking, tubing and fishing along its shore. A decade ago, it was hard to imagine this scene—and the thriving recreation economy that comes with it—was possible."

Of course, it wasn't JUST the beavers. Other federal water cleanup investments helped remove debris, break down old and malfunctioning dams, and place tighter regulations on agriculture grazing in the area that depleted vital plant life.

But the experts know that the beavers, and their incredible engineering work, are the real MVPs.

 beavers, beaver dam, animals, wildlife, ecosystem, nature, earth, sustainability, deserts, waterways, rivers, pollution, climate change An actual beaver dam on the now-thriving Price RiverPublic Domain

In other drying, struggling rivers in the area, researchers are bringing in beavers and even creating manmade beaver dams. They're hoping that the critters will take over the job as the rivers get healthier.

Utah's San Rafael river, which is in bleak condition, is a prime candidate. In on area of the river, a natural flood inspired a host of beavers to return to the area and "riparian habitat along that stretch had increased by 230%, and it had the most diverse flow patterns of anywhere on the river," according to KUER.

It's hard to believe that beavers nearly went extinct during the heyday of the fur trapping industry, and continued to struggle as they were considered nuisances and pests. Now, they're getting the respect they deserve as engineer marvels, and their populations have rebounded due to better PR and conservation programs.

To that I say...it's about dam time!

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Parenting

"Thank you for being patient": Baby on first flight 'writes' adorable note to passengers

The note was so sweet. It was also completely unnecessary.

@callmebelly/TikTok
An excellent reminder to show kindness and patience.

Listening to a baby cry during a flight might be aggravating, but it’s nothing compared to the moans, groans, and eyerolls that the baby's parents must endure from other passengers when it happens. No matter what tips and tricks are used to try to soothe a little one’s temperament while 30,000 miles in the air, crying is almost inevitable. So, while having to ease their own child’s anxiety, moms and dads also must suffer being the pariah of the trip. What a nightmare.

Airplanes are a particularly tricky public space in which to take your children. First, unlike, say, fine dining or the opera, flying with a baby isn't always optional. Sometimes, a certain level of travel is required of your life and small children have to come along. Second, and probably worst of all, there is no escape from the airplane once you've boarded. No matter what happens; crying, puking, blowouts, or spills — you're stuck dealing with it, and the dirty looks, until the plane has landed.

Recently, one mom was apparently trying so hard to avoid upsetting her fellow flight members that she went above and beyond to essentially apologize ahead of time if her baby began to cry on its first flight.

It was a gesture that, while thoughtful, had folks really feeling for how stressed that poor mom must be.

In a clip posted to his TikTok, one of the passengers—Elliot—explained that the mom handed out small care packages to those nearby.

“She’s already so busy and took the time to make these bags for everyone,” Elliot said, before panning the camera to reveal a Ziplock bag full of candy, along with a note that made him “want to cry.”

The note read: “It’s my first flight. I made a deal to be on my best behaviour—but I can’t make any guarantees. I might cry if I get scared or if my ears start to hurt. Here are some treats to make your flight enjoyable. Thank you for being patient with us. Have a great flight.”

Elliot appeared to be choked up at the thoughtfulness on display as he examined the contents of the bags.

Like Elliot, those who watched the video felt some ambivalence at the well intentioned act. Many felt remorse that she would feel the need to appease people in this way.

“This is so sweet but also … kind of breaks my heart that we live in a world in which parents feel the need to do that.”

“Because jerk people have shamed parents into believing that they need to apologize for their kids' absolutely normal behavior. What a gem of a mom.”

“You know that sweet mom worried about this trip so much.”

“That poor mom probably spent nights awake … nervous about that flight, thinking of ways to keep strangers happy.”

"That's a mom trying so hard."

"the fact she took up valuable carry on space for these treat bags"

"Always wondered if we don’t bring kids out in public how can they learn to act in public? thank you for being so sweet to this mom"

Then again, who wouldn't appreciate some free candy and a friendly note?!


Many rallied behind the mom, arguing that making others feel more comfortable with her child being on board was in no way her responsibility.

“No mom should be apologizing. Adults can control their emotions … babies not …. Hugging this mom from a distance.”

“Dear new parents: no you don’t have to do this. Your babies have the right to exist. We all know babies cry. We know you try your best.”

Many commenters pointed out that a crying baby is far more stressful on the parent than other passengers. It's so easy to pop in your headphones and crank up your music or movie if someone else's baby is bothering you. Not so easy when you're the one responsible for soothing them!

The care package trend, sometimes called a "pre-apology", has become all the rage in recent years.

Passengers seem to universally find them adorable and fun. And some parents even enjoy the time and care it takes to make them. In a way, it can help ease the anxiety that naturally comes along with flying with a baby. It also creates a fun memory of that first flight.

But it's definitely not something any parent should feel like they have to do.

Etiquette expert Jo Hayes told What To Expect "Airplane goodie bags are all well and good for the craft-inclined or if you’re just excited to commemorate your little one’s first flight, but it's not the expectation that all parents must do this. Heaven knows, parents have enough pressure on them as is."

@xopolkadots34xo

the cutest lil flight package.. my jaw was on the floor so sweet 🥹 #babytok #travel #fyp

Luckily, there are just as many stories of fellow passengers being completely compassionate towards parents with small children—from simply choosing to throw on their headphones during a tantrum (instead of throwing one themselves) to going out of their way to comfort a baby (and taking the load off a frazzled parent in the process). These little acts of kindness make more of an impact than we probably realize. Perhaps if we incorporated more of this “it takes a village” mindset, flying could be a little bit more pleasant for everyone involved.

This article originally appeared in February. It has been updated.

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Mental Health

There's a reason why some people can perfectly copy accents, and others can't

Turns out, there's a neurodivergent link.

Photo by Milada Vigerova on Unsplash

A woman in black long sleeve shirt stands in front of mirror.

Have you ever had that friend who goes on vacation for four days to London and comes back with a full-on Queen's English posh accent? "Oooh I left my brolly in the loo," they say, and you respond, "But you're from Colorado!" Well, there are reasons they (and many of us) do that, and usually it's on a pretty subconscious level.

It's called "accent mirroring," and it's actually quite common with people who are neurodivergent, particularly those with ADHD (Attention Deficit Hyperactivity Disorder). According Neurolaunch, the self-described "Free Mental Health Library," "Accent mirroring, also known as accent adaptation or phonetic convergence, is the tendency to unconsciously adopt the accent or speech patterns of those around us. This linguistic chameleon effect is not unique to individuals with ADHD, but it appears to be more pronounced and frequent in this population."

Chameleon, science, reptile, adaptation, mirroringA chameleon rolls its eyes. Giphy SWR Kindernetz

Essentially, when people have conversations, we're constantly "scanning" for information—not just the words we're absorbing, but the inflection and tone. "When we hear an accent, our brains automatically analyze and categorize the phonetic features, prosody, and intonation patterns," writes Neurolaunch. For most, this does result in copying the accent of the person with whom we're speaking. But those with ADHD might be more sensitive to auditory cues. This, "coupled with a reduced ability to filter out or inhibit the impulse to mimic…could potentially explain the increased tendency for accent mirroring."

While the article explains further research is needed, they distinctly state that, "Accent mirroring in individuals with ADHD often manifests as an unconscious mimicry of accents in social situations. This can range from subtle shifts in pronunciation to more noticeable changes in intonation and speech rhythm. For example, a person with ADHD might find themselves unconsciously adopting a Southern drawl when conversing with someone from Texas, even if they’ve never lived in the South themselves."

Sam Elliott, cowboy, southern accentsSam Elliott gives a tip of his cowboy hat. Giphy, Sam Elliott, Grit TV

People are having their say online. On the subreddit r/ADHDWomen, a thread began: "Taking on accents is an ADHD thing?" The OP shares, "My whole life, I've picked up accents. I, myself, never noticed, but everyone around me would be like, 'Why are you talking like that??' It could be after I watched a show or movie with an accent or after I've traveled somewhere with a different accent than my 'normal.'

They continue, "Apparently, I pick it up fast, but it fades out slowly. Today... I'm scrolling Instagram, I watch a reel from a comedian couple (Darcy and Jeremy. IYKYK) about how Darcy (ADHD) picks up accents everywhere they go. It's called ADHD Mirroring??? And it's another way of masking."

(The OP is referring to Darcy Michaels and his husband Jeremy Baer, who are both touring comedians based in Canada.)

Hundreds of people on the Reddit thread alone seem to relate. One comments, "Omfg I've done this my whole life; I'll even pick up on the pauses/spaces when I'm talking to someone who is ESL—but English is my first language lol."

Sometimes, it can be a real issue for those around the chameleon. "I accidentally mimicked a waitress's weird laugh one time. As soon as she was out of earshot, my family started to reprimand me, but I was already like 'oh my god I don’t know why I did that, I feel so bad.'"

@theweirdocoach

Anyone else? #adhdawareness #adhdinwomen #neurodivergent


Many commenters on TikTok were shocked to find out this can be a sign of ADHD. One jokes, "Omg, yes, at a store the cashier was talking to me and she was French. She's like 'Oh are you French too? No, I'm not lol. I'm very east coast Canada."

And some people just embrace it and make it work for them. "I mirror their words or phrase! I’m 30. I realized I start calling everyone sweetie cause my manager does & I work at coffee shop."

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Joy

Middle schoolers in New Hampshire create adorable mini boat that sails all the way to Norway

The project was part of a very unique program designed to "connect students around the world." Mission accomplished.

Facebook

The Rye Riptide washed up on the shores of Norway.

This story brings a whole new meaning to the word friendshipship.

In October 2020, the middle schoolers of Rye Junior High, in Rye, New Hampshire, bid a bon voyage to their handmade mini-boat, which set sail off the coast of New Hampshire to who-knows-where.

Measuring only 5.5 feet, the “Rye Riptides” was indeed a small ship. It ran crewless, but carried a bountiful cargo of colorful artwork made by students, along with a GPS tracking device that reported the boat’s location … sometimes.

Cut to 462 days and 8,300 miles later, and what started out as a simple science project became a surprise discovery for some Norwegian sixth graders, and a fun new connection across the Atlantic.

Rye Junior High had partnered with Educational Passages, a nonprofit organization that aims to connect students around the world to the ocean and each other. Once the kit arrived, the kids started building while learning about ocean currents, science and math. However, science teacher Sheila Adams shares that the more artistic, right-brained activities equally found their way into the curriculum. “The students needed to use their writing skills to inform others about their mini-boat project, describe our school and town to people of other languages, just in case, and write requests to get the boat deployed,” she said in a release.

 educational passages, norway, message in a bottle, education programs, school, middle school, positive news Behold, the Rye Riptides miniboat.  scontent-lga3-3.xx.fbcdn.net  

COVID-19 nearly threatened to knock the Rye Riptides off its course. The boat had been constructed, but not yet decorated, when students were moved to taking class online. Then, there was the matter of launching the boat. Which Cassie Stymiest, director of Educational Passages, noted was “challenging with all the restrictions in place.”

Luckily, creativity, resourcefulness and a little technology saved the day. Working remotely, each piece of art was done at home, then scanned, printed and made into a collage. Then, Ms. Stymiest connected with the Sea Education Association (SEA), which set the Rye Riptides on its journey.

Would the boat make it to Europe? Rye student Solstice Reed wasn’t so sure. “Honestly, I thought it would sink,” she admitted to the Portsmouth Herald. Considering the boat was cruising the ocean waters during hurricane season, the skepticism was well-founded. During the more tumultuous periods, the GPS signal only came in intermittently. And for a long while, there was nothing but radio silence.

But then, at long last, on the small Norwegian island of Smøla, the Rye Riptides successfully made it to dry land. Sure, it was a bit dismantled and covered in barnacles, but inside, all the adorable trinkets remained intact. The Smøla students peered with wonder into their bounty of photos, signed facemasks, fall leaves, acorns and state quarters, gifts sent out almost two years ago.

Isn't your inner child just squealing with delight right now?

The voyage of the small boat went viral in a big way, sailing across social media, and making headlines.

  - YouTube  www.youtube.com  

Human connection found its way across the sea in the most wholesome and magical way. It’s really cool to see that educational programs like this exist, impacting both the hearts and minds of young students. Mission, successful.

To help support Educational Passages on even more wholesome adventures just like this one, consider donating here.

This article originally appeared three years ago.

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Science

Math professor shares thermo-dynamic hack to cool your sweltering car in seconds

You don't even have to use your A/C.

via Canva/Photos

A woman in a hot car.

Cars can become unbearably hot in the summer. Even at a seemingly mild 80 degrees outside, the temperature inside can soar to a scorching 109°F within 20 minutes. According to the CDC, in just 40 minutes it can escalate to a blistering 118°F. After an hour, it can peak at a searing 123°F. And that’s just the air temperature; a dark dashboard or seat can reach a staggering 200°F.

"These objects (e.g., dashboard, steering wheel, child seat) heat the adjacent air by conduction and convection and also give off longwave radiation (red) which is very efficient at warming the air trapped inside a vehicle," the CDC explained in their report. It can take five to 10 minutes for your car to cool down on a hot day by turning on the air conditioning, which probably means you burn your buttocks and thighs on the hot seat. That’s why Hannah Fry shared an amazing hack on TikTok, demonstrating how to cool your car down in seconds using the laws of thermodynamics.

Fry is Professor of the Public Understanding of Mathematics at the University of Cambridge. She is a mathematician, a best-selling author, an award-winning science host, and the host of numerous popular podcasts and television shows.

@fryrsquared

That age-old dilemma of choosing between having a non-sweltering car or baffling a passerby because you look like a fool who doesn't know how to use a door

Fry suggests that instead of turning on the air conditioning, which she claims is “not worth it” because of the time it takes, open one of the windows on the opposite side of the door. Then, rapidly open and close the driver’s side door, so it moves back and forth like a fan.

“The reason why it works is that when you open and close the door, especially if you do it quickly, the door, as it's moving outwards, it sweeps out all of the air that's in its way, creating this sort of area of low pressure that you get here,” Fry said. “And then that sets up something called bulk flow, which is where all of the hot, sweaty, horrible air inside the car is drawn outwards.”

 hot car, hot steering wheel, hot man, sweat, summer,  A man sweating in his car.via Canva/Photos

Fry’s super practical approach to a problem everyone deals with blew many people’s minds in the comments. “If I ever catch someone in real life doing this, I’m gonna know they’ve watched this exact video,” a commenter wrote. “I will give it a go, but while opening and closing the door, scream, ‘Be gone, heat demons! BE GONE!’” another added. “Going to remember this the next time my partner farts in the car,” someone joked.

The fact that the inside air temperature in a car and the outside temperature are often drastically different, especially in the summer, serves as a crucial reminder to dog owners everywhere to never leave their pet unattended in a parked car. "Most dog owners know that you can’t leave a pet in a hot car," the American Kennel Club writes. "Temperatures can rise to dangerous levels in just minutes, putting your dog at risk of heatstroke. But what if you open a window a little bit? Does that make it safe to leave your dog in the car? The answer is simple. You should never leave a dog alone in the car, even with the windows cracked. In some states, it’s even illegal."

The following video by The Dodo explains why leaving a dog in a hot car can be deadly, even when it doesn’t feel that hot outside.

  - YouTube  www.youtube.com  

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