Education

# Math professor shows how adding and subtracting left to right is actually easier and faster

### Mind. Blown.

Howie Hua shares helpful math tips and tricks on social media.

Math is weird.

On the one hand, it's consistent—the solutions to basic math problems are the same in every country in the world. On the other hand, there are multiple strategies to get to those solutions, and it seems like people are still coming up with new ones (much to the chagrin of parents whose kids need help with homework using methods they've never learned).

Math professor Howie Hua shares math strategies that make math easier on social media, and his videos are fascinating. Hua, who teaches math to future elementary school teachers at Fresno State, demonstrates all kinds of mental math tricks that feel like magic when you try them.

For instance, Hua has two videos showing how easy and quick it is to add multidigit numbers left to right instead of right to left, and it's genuinely mind-blowing.

Check out how he explains why adding left to right is "underrated."

OK, seriously. That is way easier to do in your head. It's basically putting the numbers into expanded form and adding them, which makes it easier to visualize.

Adding this way makes sense, but subtracting is a bit more complicated, right?

Wrong, apparently. Watch Hua work his math sorcery subtracting two and three-digit numbers.

@howie_hua

Did you know you can subtract left to right? #math #mathematics #mathtok #maths #teachersoftiktok #teacher #mathtricks #mathtrick

Holy moly. That's faster than the right-to-left, borrow-from-the-next-column method, isn't it? And again, so much easier to visualize what's actually happening, though I don't know if I could fully do this in my head like I could with the left-to-right addition.

Hua recently shared another cool subtraction trick for problems with minuends that have a lot of zeroes. (The minuend is the first number in a subtraction problem. Don't be too impressed. I had to look it up.)

Check this out:

@howie_hua

An underrated subtraction strategy #math #mathematics #mathtok #maths #teachersoftiktok #teacher #mathtricks #mathtrick

So simple, so time-saving and so something I would never have figured out on my own.

These tips and tricks might come in handy for anyone, but they're especially useful for kids who are having to do these kinds of math problems at school all the time. Even if they're supposed to solve the problem with a different strategy, these methods can be a quick way to check their answers.

Anything that makes math easier, I say. You can watch Hua's videos on TikTok, YouTube and Twitter.

Planet

## T-Mobile sets another industry-leading goal to achieve net-zero emissions by 2040

### It’s great for the planet and good for business, too.

True

We’ve all been hearing urgent warnings from scientists, government, and corporate leaders on the need to limit the planet's global temperature warming to 1.5 degrees Celsius to avoid the most devastating impacts of climate change.

Several studies, including research from the National Academy of Sciences indicate if we continue on the path we are on, we will likely hit that pivotal moment of global warming in the early 2030s. It’s clear that more needs to be done —and faster—to avoid the worst impacts of climate change and secure a thriving and sustainable economy for everyone.

Broader research is also showing people care more than ever about what companies are doing to address this challenge. In a 2022 global survey from IBM, 51% of respondents said environmental sustainability is more important to them now than it was the year before. And a 2022 Yale survey found that 51% of U.S. business students would even take lower pay to work for a company with better environmental practices — a signal of the topic's importance.

T-Mobile is an example of a company that has led the wireless industry in these efforts starting with its pledge in 2018 to source 100% of its total electricity usage with renewable energy and being the first in U.S. wireless to set science-based carbon reduction goals and then reach them in 2021. This year, T-Mobile stepped up even more by becoming the first U.S. wireless provider to announce a net-zero target for its entire carbon footprint.

Mike Sievert, T-Mobile’s CEO, is encouraging others to join in on developing bold sustainability commitments because its critical companies lead by example with real action. “We’ve made the decision as a company to move beyond managing risks and begin to take intentional measures — bigger than ever before — that will ensure a sustainable future for us all,” Sievert said in his recent blog. “I’d like to see even more businesses like ours do the same. There is strength in numbers, and more important, there are common practices that we could jointly develop and share.”

These efforts are not just good for the planet, it’s also good business. Independent nonprofit, JUST Capital, recently found that companies like T-Mobile that are recognized on its annual list of America’s Most JUST Companies on average have a 4.5% higher profit margin, 2.4% higher return on equity, and paid 5 times more in dividends than those that didn’t. Environmental sustainability is a significant factor defining whether a company is “JUST.”

With T-Mobile taking bold steps, how will the company reach its net-zero goal?

Upworthy spoke with Brigitta Witt, T-Mobile’s vice president of social impact and sustainability, and she explained the path the company is taking to achieve net-zero emissions by 2040.

“We are taking definitive actions and have already made considerable progress by decommissioning old or unneeded network equipment, upgrading to eco-friendly cooling systems and implementing energy-efficient software across about half of our network sites,” Witt told Upworthy. “We’re diversifying our renewable energy investments and transitioning to electricity sources that have lower emissions, while also ramping up investments in community solar projects across the country to help generate clean energy to reduce the use of fossil fuels with solar and wind power.”

The company’s transition to 5G also plays a big role in the road to net-zero. Even though the equipment uses more energy than previous generations, it uses less per bit of data it transmits, making it much more efficient.

“According to Accenture, 5G technologies could help enable up to one-fifth of the carbon reductions required under the U.S. climate change target by 2025,” Witt told Upworthy.

The biggest challenge to T-Mobile's ambitious climate goals is the emissions generated by its value chain.

“We are working with our suppliers and engaging customers to help reduce their carbon footprints, which in turn helps us reduce our scope 3 emissions,” Witt said. “We will also continue to look at emerging trends, innovative solutions and global landscape evolution as we build out our strategy over the next two decades.”

T-Mobile reinforced its commitment by joining The Climate Pledge, which encourages companies to work together to accelerate climate action across all industries. “It aligns our company with nearly 400 like-minded companies and organizations that believe investing in sustainability is key to long-term success,” Witt said.

In addition to leading the wireless industry and committing to a net-zero goal T-Mobile is also encouraging customers to help through a Device Reuse and Recycling Program, which led to 11.6M customer devices being reused, resold, or recycled for free in 2021.

Ultimately, T-Mobile is committed to being an even greater force for good in wireless and the world in which we live and is all in on its relentless pursuit of progress in sustainability.

“We know we can’t be the best at connecting customers to their world without also taking on the challenge of changing our industry, for the better, and making a positive impact on the world around us,” Witt told Upworthy. “And sustainability commitments are no exception—and we won’t stop using our expanded network, scale and resources to help create a connected world where everyone can thrive."

Pets

## Snoopy is real, her name is Bayley and the internet can't get enough of her

### Everyone's childhood hearts just melted into a puddle.

Stop what you're doing. There's a dog that looks just like Snoopy.

Soooo, there's this dog and I'm pretty sure it's the actual Snoopy come to life. Seriously all the dog needs is a red dog house out back and a little yellow bird that follows it around. If you think it can't be true, then you're going to have to fight the entire internet about it because nobody can get enough of how much this sweet dog looks like the iconic cartoon character.

Snoopy is Charlie Brown's pet from the comic strip "Peanuts" that eventually spawned several movies and cartoon series, and Bayley is a dead ringer for the black and white animated pup. Since we live in a digital age, people across the country have been falling all over themselves to get to the pooch's Instagram account and admire her cartoonish mug.

Bayley is a 1-year-old mini sheepadoodle, which is a cross between a miniature poodle and an Old English Sheepdog. Her sweet face is something you have to see to believe and even then you may question if she's real.

The dog's perfectly groomed curly fur makes her face look fluffy and cartoon-like. Once you add in her black ears and black button nose, that honestly looks more like a smooth lump of coal than a dog nose, then you have the perfect Snoopy doppelgänger. Bayley came into her viral fame after Doodle Dogs Club shared her photo on their Instagram account that has over 230,000 followers, and just like that, she was "famous."

The introductory post of the live version of Charlie Brown's best friend racked up over 1.4 million likes and 10.3K comments. The comments ranged from people reminding others that the fictional dog was a Beagle to people demanding Bayley star in the live action version of Charlie Brown.

Whether Snoopy was a Beagle or not, there's no arguing that Bayley looks more like the cartoon canine than real life Beagles. This probably has a lot to do with cartoons being...cartoons. Everything tends to be a bit bubbly and over exaggerated with cartoons.

Charlie Brown was supposed to be between the ages of 4 and 8 years old according to PeanutsWiki, who busted out the comic strip receipts. If cartoons looked exactly like real life, poor Charlie Brown would have a hard time walking with his oversized noggin.

Bayley's curly fluffy fur gives her an advantage over actual Beagle's when it comes to the ability to look like the famous cartoon character. It's something she probably couldn't care less about, unless every time she got compared to Snoopy equaled a dog treat. Otherwise, I'm sure the black and white sheepadoodle is perfectly happy just being a dog wondering why suddenly her mom keeps taking pictures of her.

Since Bayley's debut on Doodle Dogs Club, the animated dog come to life has climbed up to over 240k followers and her fanbase just can't get enough of her. To make people love her even more, the dog's mom uploads videos of Bayley using audio that makes it sound like the pup is a toddler trying to tell a story.

Check out some of the love Bayley gets on her Instagram account.

Pop Culture

## Family-run business crafts gorgeous heirloom-quality leather bags for the modern world

### Kodiak Leather is the perfect blend of style, functionality, and timeless appeal.

Editor's Note: Upworthy earns a percentage of proceeds from sales of items listed in this article

We live in a disposable culture where products are cheap and abundant but not built to last. And in the short term, that's great. But over the long haul, this wasteful mindset takes its toll, especially on the environment. However, a company called Kodiak Leather is trying to change that. As a family-run business, Kodiak Leather remains dedicated to crafting heirloom-quality bags for the modern world. Driven by a passion for people and leather, the brand offers products that embody the perfect blend of style, functionality, and timeless appeal. Each piece is handcrafted by skilled artisans from around the world, ensuring that you receive a treasure designed to last a lifetime and worthy of being passed down through generations.

Heirloom-quality leather goods provide a sense of luxury and durability and hold sentimental value as they become an essential part of your life's story. These timeless accessories only improve with age as they witness your experiences and adventures while maintaining elegance and character. Investing in heirloom-quality leather products is not just about owning a fashionable piece; it's about preserving a legacy for future generations.

## The Kodiak Leather Difference

At the heart of Kodiak Leather's success is its collaboration with skilled artisans from the US and India, who share the brand's passion for quality and ethics. This global partnership ensures that each product is expertly crafted and adheres to the highest standards of ethical production and material sourcing. By choosing Kodiak Leather, you're investing in a brand that values craftsmanship, sustainability, and the art of leatherworking.

Kodiak Leather's rigorous quality control process sets them apart from the competition. Each product undergoes multiple inspections before it's shipped, guaranteeing that you receive a piece that is both flawless and worthy of being passed down through generations. This dedication to heirloom-quality craftsmanship ensures that your Kodiak Leather products will stand the test of time and become cherished family treasures.

When you purchase a Kodiak Leather product, you're not just buying an accessory – you're joining the Kodiak Family. The personal touch and care that goes into crafting each piece is a testament to the company's passion for people and leather. From the artisans who create the products to the customers who use them, the Kodiak Leather family is bound by a shared love for timeless, heirloom-quality goods that enrich lives and tell stories.

Kodiak Leather has carefully curated a collection that features products designed to cater to the needs of today's discerning consumers. Among their most popular offerings are the versatile Katmai Leather Backpack, the stylish and functional Juneau Leather Tote, and the charming Drifter Leather Journal. Each piece is thoughtfully crafted with attention to detail, ensuring that they look good and serve their purpose efficiently, making them the ideal companions for the modern individual.

## The Katmai Leather Backpack

The Katmai Leather Backpack is a standout piece in the Kodiak Leather collection, boasting top-grain cowhide that looks stunning and promises durability. Designed with multiple compartments and pockets, this backpack has ample space for all your essentials. The adjustable straps and carrying handle offer convenience and comfort, making it easy to take your backpack wherever you go.

Perfect for both work and leisure, the Katmai Leather Backpack is designed with versatility in mind. Its unisex aesthetic makes it suitable for everyone, while the padded laptop compartment and organized storage options cater to your busy lifestyle. Whether you're heading to the office or embarking on an adventure, this backpack is your ideal companion.

One of the most appealing aspects of the Katmai Leather Backpack is the leather's aging process. Over time, the top-grain cowhide develops a beautiful patina, which adds character and depth to the backpack. This natural aging process enhances the bag's visual appeal and serves as a testament to its timeless elegance, ensuring that your Katmai Leather Backpack remains a stylish accessory for years to come.

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## The Juneau Leather Tote w/ Pocket

Crafted from top grain water buffalo leather, the Juneau Leather Tote is both a stylish and practical addition to your accessory collection. This tote features an exterior easy-access pocket, perfect for stashing items you need on hand and large carry handles that comfortably fit over your shoulder. The rich texture and natural variations in the leather make each tote unique.

When it comes to style and functionality, the Juneau Leather Tote has it all. The spacious interior, complete with pockets for organization, ensures you can easily carry everything you need. The interior zippered pocket and hidden magnetic closure offer added security for your belongings, making this tote perfect for everyday use. Whether you're heading to work, running errands, or enjoying a day out, the Juneau Leather Tote is ready to help you take on the world.

Kodiak Leather is committed to using only the highest quality materials, and the Juneau Leather Tote is no exception. The water buffalo leather is visually stunning and incredibly durable, making this tote a long-lasting investment. With proper care, your Juneau Leather Tote will age gracefully and continue to impress for years to come, proving that it's more than just a fashion statement - it's a testament to the Kodiak Leather legacy.

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## The Drifter Leather Journal

The Drifter Leather Journal is a true reflection of Kodiak Leather's dedication to craftsmanship and quality. Made from top-grain leather and featuring a snap button closure, this journal is both elegant and secure. Inside, you'll find handmade artisan paper, giving it a unique and personal touch. The refillable design ensures that you can continue using this beautiful journal for years, making it a cherished keepsake.

Compact and beautifully designed, the Drifter Leather Journal is the perfect travel companion. Its convenient size makes it easy to slip into your bag or backpack, so you can capture memories and jot down ideas wherever you go. Choose between Antique Brown or Dark Walnut color options to suit your style, and let this journal accompany you on all your adventures.

Owning a timeless artifact like the Drifter Leather Journal goes beyond simply having a stylish accessory. It represents an opportunity for personal reflection, growth, and connection to your experiences. As you fill its pages with your thoughts, dreams, and memories, it becomes a treasured part of your life story – one that can be passed down through generations, enriching the lives of those who come after you.

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## Experience Kodiak Leather For Yourself

Kodiak Leather offers a stunning range of products that blend style, functionality, and timeless appeal. The Katmai Leather Backpack, Juneau Leather Tote w/ Pocket, and Drifter Leather Journal each possess unique features and benefits, catering to the diverse needs of the modern world. These versatile and stylish accessories are designed to support your busy lifestyle while making a lasting impression.

Investing in heirloom-quality leather goods from Kodiak Leather means more than just owning a beautiful accessory. It's about embracing the lasting impact of these products as they become an integral part of your life story and, eventually, the stories of future generations. By choosing Kodiak Leather, you're investing in a legacy of craftsmanship, durability, and timeless elegance.

So, why not explore the exceptional Kodiak Leather collection and discover the perfect piece that resonates with your personal style? Become part of the Kodiak Family today and experience the difference that heirloom-quality leather goods can make in your life.

Pop Culture

## A contest for the 'worst science stock photo' has taken the internet by storm

### “Talk to Us, Dr. Chicken," is a must-see.

They've blinded us with science.

Stock photos of any job are usually delightful cringey. Sure, sometimes they sort of get the essence of a job, but a lot of the time the interpretation is downright cartoonish. One glance and it becomes abundantly clear that for some careers, we have no freakin’ clue what it is that people do.

Dr. Kit Chapman, an award-winning science journalist and academic at Falmouth University in the U.K., recently held an impromptu contest on Twitter where viewers could vote on which photos were the best of the worst when it came to jobs in scientific fields.

According to Chapman’s entries, a day in the life of a scientist includes poking syringes into chickens, wearing a lab coat (unless you’re a “sexy” scientist, then you wear lingerie) and holding vials of colored liquid. Lots and lots of vials.

Of course, where each image is 100% inaccurate, they are 100% giggle inducing. Take a look below at some of the contenders.

Chapman’s unofficial photo competition received nearly 500,000 votes cast throughout four rounds. The grand prize winner was a photo of a female scientist holding a soldering iron (very much not in the right way) as she is “working” on some kind of electrical board.

It’s titled, “Hold My Soldering Iron.”

“I mean there’s the obvious thing that she'll burn her hand, but nobody ever talks about how she's ‘soldering’ the wrong side of the board," one person quipped.

Of course, “Talk to Us, Dr. Chicken” was also popular.

Clearly using the scientific method to figure out why exactly Dr. Chicken crossed the road.

But not as popular as “Syringe Chicken,” where, for some reason, a scientist covered in a mask and safety goggles inspects a raw, syringe-filled chicken with his teeny tiny magnifying glass. For science!

This one was the winner of the second-to-last batch.

Ever wonder where space is? Don’t worry, leave it to the professionals to point the way.

“To space!” Chapman captioned.

Speaking of professionals, everyone dresses for research this way, right?

Chapman titled this “Science: It's a Girl Thing."

People were quick to chime in with their own contributions, including:

“Woman Brain Surgeon”

Otherwise known as a jello mechanic.

And some kind of … corn scientist? From the future?

Why does this seem like it belongs in an Annie Lennox music video?

As well as a group of scientists that belong in a Marvel movie for their ability to manipulate atoms.

While these are certainly not an accurate depiction of the vast and wondrous world of scientific research, it did cause many a scientist to share a giggle. So no harm, no foul. Not even to chickens.

Health

## Her refusal to be silent about her son’s autism led her to create a 'Hero Squad' for action

### “Right then and there, I stopped crying, and my first experience with the ‘momma bear’ attitude kicked in.”

Photo by Leonard Donjuan, used with permission

Jen Coats and family at the Local Hearts Foundation 2nd Annual Baskets & Pancakes event.

Autism is a disorder that is surrounded by stigma. Some families feel an unnecessary sense of shame for having an autistic child. People living with autism may feel socially ostracized because they relate to people in a different way. Children with autism are often bullied and have a difficult time making friends in school.

The stigma can also prevent people from being diagnosed with the disorder and getting the therapy they need.

Jen Coats of Long Beach, California, is well aware of the stigma surrounding autism, and that inspired her to make the world more accepting of children with the disorder. When her first son was diagnosed with autism spectrum disorder at age two, she was pregnant with her second child and dealing with strong, challenging emotions. She cried when she heard the news, but her tears didn’t last long.

"A family member was with me that day, and she said, 'No one needs to know.' Right then and there, I stopped crying, and my first experience with the ‘mama bear’ attitude kicked in,” she told Upworthy. “I knew from that moment that I would advocate for him and share our journey of autism."

This immediate transformation inspired Coats to form an organization that cultivates an attitude of kindness surrounding autism and celebrates all children’s differences.

In 2016, Coats and a group of parents created the LBC Hero Squad to create the first-ever Autism Awareness Week program at her children’s school, Cubberely K-8. The Hero Squad’s successful event inspired other schools in the area to do the same to join the celebration of neurodiversity.

She named the group the Hero Squad because she believes that children with autism and their parents are heroic.

“My son is my hero. We named our nonprofit the LBC Hero Squad because his favorite Avenger is Captain America,” Coats told Upworthy. “We believe that people with autism are heroic because they are honest and true to themselves. They have gifts and talents that surpass any superhero. We also think the parents are superheroes. Being a parent is hard work, but being a parent with a neurodiverse child takes a lot of patience, understanding and fighting for the right services and care.”

LBC Hero Squad booth at the Local Hearts Foundation 2nd Annual Baskets & Pancakes event.

Photo by Leonard Donjuan, used with permission

Coats and the Squad have expanded their efforts over the past six years to raise funds for students in special day and general education classes in Long Beach to participate in extracurricular activities. The Squad has also had multiple giveaways and organized social events for families of children with autism.

The Squad’s regular Autism Night Out events at Boathouse on the Bay allow families of children with autism to eat out in a stigma-free environment. The dinners also allow families on the same journey to get to know one another and for their children to make friends. These were created in partnership with Squad member Sumer Temple.

Coats is most proud of the community the Hero Squad has helped create.

“It’s all about feeling proud of who they are, and families that are new to the diagnosis no longer feel alone,” Coats told Upworthy. “These families have support and resources and their kids are meeting new friends for the first time. It’s a community that is inviting, accepting and welcoming. “

The LBC Hero Squad is also pushing for Long Beach to become an Autism Certified City (ACC). Long Beach is home to over 450,000 people and is the second-largest city in Los Angeles County.

It’s all part of the greater goal of creating acceptance and understanding.

“Our goal is to create and organize community events and help other schools implement their own neurodiverse or acceptance day and to continue to collaborate with other nonprofits by creating a more inclusive and welcoming community for all,” Coats said.

Coats has some heartfelt advice for other parents who want to create accepting community organizations like the LBC Hero Squad.

“Once you find your village, start planning meet-ups and sharing your journey,” she said. “Make it a welcoming and safe space for parents and children to meet. Share stories and support one another. My favorite quote of all time is by DJ Dusk, ‘"None of us are as strong as all of us."’”

Pop Culture

## Jack Black shows off his impeccable impersonation of Dwayne 'The Rock' Johnson

### We've watched this no less than 20 times already.

Jack Black does impression of The Rock.

I don't know what it is about impersonations that are so fascinating to people but they're often hilarious, and Jack Black impersonating The Rock does not disappoint. From the 2018 clip you can't tell what prompted the impersonation but "Screen Junkies" interviewer looks to Black and asks him about his workout routine as if he's Dwayne "The Rock" Johnson.

The comedian adjusts himself in his seat and doesn't break character the entire time and somehow the interviewer is able to maintain a serious face throughout the process. Kevin Hart and the actual Dwayne Johnson cannot keep it together while Black does his impression of his co-star.

Black obviously knows the workout routine of the 6-foot, 5-inch muscular Black Samoan demigod and it starts out with 27,000 rip curls at 5 a.m. At least, that's the "School of Rock" alum's best guesstimate, and judging by Johnson's size, that seems about right.

But his ribbing of his co-star didn't stop there. As Johnson and Hart are practically wheezing with laughter, Black continues with his impersonation adding in Johnson's philosophy on life. If you're curious about that, it involves blood, sweat, tears and sucking life deep.

Yeah, I don't know what that means either but you should check out the video below because it's pretty impressive and might just brighten your day.

Pop Culture

## Finally, someone explains why we all need subtitles when watching TV

### No, you're probably not losing your hearing.

Finally, someone explains why we all need subtitles

It seems everyone needs subtitles nowadays in order to "hear" the television. This is something that has become more common over the past decade and it's caused people to question if their hearing is going bad or if perhaps actors have gotten lazy with enunciation.

So if you've been wondering if it's just you who needs subtitles in order to watch the latest marathon-worthy show, worry no more. Vox video producer Edward Vega interviewed dialogue editor Austin Olivia Kendrick to get to the bottom of why we can't seem to make out what the actors are saying anymore. It turns out it's technology's fault, and to get to how we got here, Vega and Kendrick took us back in time.

They first explained that way back when movies were first moving from silent film to spoken dialogue, actors had to enunciate and project loudly while speaking directly into a large microphone. If they spoke and moved like actors do today, it would sound almost as if someone were giving a drive-by soliloquy while circling the block. You'd only hear every other sentence or two.

But with today's technology, microphones are so small they can be strapped just about anywhere on an actor. This allows the actor to move about the set freely and speak at a normal volume without worrying that their words won't be picked up. So then why can't we hear them? Turns out it's super complicated…and also not.

"A lot of people will ask, 'Why don't you just turn the dialogue up?' Like, 'Just turn it up.' And...if only it were that simple," Kendrick said before explaining, "If you have your dialogue that's going to be at the same volume as an explosion that immediately follows it, the explosion is not going to feel as big. You need that contrast in volume in order to give your ear a sense of scale."

Sure, you may be thinking, well that kinda explains it, but why do the music and other cinematic noises sound like they're beating on your eardrum while the dialogue sounds like the actors are whispering every line? That doesn't seem very balanced. There's more to it, and again, it falls back onto technology.

In the video, they explain how our televisions are too thin to hold large speakers facing in the correct direction, and until this video, it didn't dawn on me that the speakers to my television are indeed in the back. No wonder we can't hear. The actors are quite literally talking to our walls.

And there's more. Check out the full explanation in the video: