Testosterone therapy is a hot topic for men's health, but too much of the hormone can have serious side effects for heart health and fertility. adamkaz/Getty Images Testosterone-maxxing is a hot trend in fitness and longevity, but too much can have side effects. New research suggests a majority of men are getting testosterone therapy without the right safeguards. A urologist explains who can benefit from testosterone and who should avoid it to prevent risks. America is reaching peak testost...

Anthropic CEO Dario Amodei has repeatedly warned that his latest AI model, Mythos, posed a cybersecurity threat. Chris Ratcliffe/Bloomberg/Getty Images Dario Amodei has warned that his latest AI model, Mythos, was so powerful it posed a serious threat. The Trump administration just ordered Anthropic to block foreign access to Mythos. Anthropic responded by shutting down the model altogether. Anthropic CEO Dario Amodei is famous for warning that his own products pose a threat. In an essay pu...

Oliver the puppy Alistair Barr/Business Insider ChatGPT analyzed puppy potty logs to create actionable metrics for Oliver's training efficiency. AI-generated CSV files helped track Oliver's potty habits, revealing key accident patterns. Consistent potty schedules, as shown by AI, reduced Oliver's accidents significantly over time. A recent AI experiment involved feeding weeks of handwritten puppy potty logs into ChatGPT. My wife and I tracked every pee, poop, walk, and accident for our pupp...

The author (right) started a business with her husband (left). Emanuele Siracusa/Your Story in Photos My husband and I moved to Portugal, and then we were both laid off. We decided to start a business together even though I was nervous about it ruining our marriage. But we used the skills we learned in our relationship to build our business. "Do you think we should get a work divorce?" I asked Cody, furiously scribbling in my notebook about a client meeting. "What do you mean?" he said as h...

The author says quitting Instagram has made her more present. Courtesy of the author Deleting Instagram helped me feel more present and less distracted. I returned to slower rituals like postcards, wandering, and offline connection. Leaving social media changed how I relate to my children and my work. On a recent trip, my sister asked her 14-year-old son if he wanted to send a postcard. "Why? I have Snapchat, TikTok, Instagram," he responded, listing all his social media apps. When she sha...

The author took a three-day solo trip to Romania. Courtesy of Jamie Davis Smith I balance multiple jobs and have four kids. Lately, things have been even more stressful than usual. I needed a break, and a solo trip helped me reset. As a working mom of four, life is often stressful. I balance multiple jobs, and it seems like someone in the family is either sick, has a school project due, or is going through teenage travails, which makes it difficult to find a cadence that provides balance ...

Johnny Matzelle, 34, who works in digital media sales, recently sported a vintage Knicks cardigan to his office. Joi-Marie McKenzie This post originally appeared in the BI Today newsletter. You can sign up for Business Insider's daily newsletter here. When the dress code is team spirit It only takes a few glances around New York City's Financial District, where Business Insider's offices are located, to see how the city has gotten in on team spirit. Whether it's the New York Knicks or their...

Celina Tolbert celebrated her 30th birthday at a chateau. Courtesy of Celina Tolbert Celina Tolbert threw a fantasy-themed 30th birthday at a French chateau for $2,500. Guests' costumes and the party's decorations followed a "magical fantasy forest" theme. Celina celebrated with 21 friends, and saw the party as her version of a wedding. This as-told-to essay is based on a conversation with Celina Tolbert, 31, a social media manager from North Carolina who is based in Paris. This piece has ...

Dietitian Josie Porter only takes supplements if and when she needs them. Kimberly Espinel The dietitian Josie Porter only takes supplements if and when she needs them. Porter was no longer working out to failure so reasoned she didn't need to supplement creatine. She advocates for "sensible" supplement use and shifts her stack when her routine changes. Josie Porter is always reassessing her supplement stack. The dietitian and author of "How Not To Take Supplements," which promotes a food-f...

Chef Wolfgang Puck says he's never had to "work" a day in his life. Arturo Holmes/Getty Images This as-told-to essay is based on a conversation with Wolfgang Puck, a 76-year-old chef based in Los Angeles. The following has been edited for length and clarity. I've spent more than 60 years building my restaurant business after coming to the US from Europe and opening Spago in West Hollywood in 1982. I oversee more than 100 fine dining and casual eateries around the world, from Beverly Hills an...

Miguel J. Rodriguez Carrillo / AFP Investors say the SpaceX IPO could become a "watershed moment for the space industry." Those who made fortunes in SpaceX's IPO are expected to invest some of their windfall in the next generation. Here's Business Insider's list of 18 startups helmed by SpaceX employees-turned-founders. After eBay acquired PayPal in 2002, the PayPal mafia went on to reshape Silicon Valley. Now, after Musk's blockbuster SpaceX IPO, employees and investors who made fortunes a...

The US has been seized by World Cup fever. Spencer Platt/Getty Images The 2026 World Cup comes after a decade of diplomatic maneuvering and FIFA intrigue. The US lost a 2010 bid to host soccer's biggest event. Trilateral dealmaking has brought the World Cup to North America. In June 2018, the architects of the United Bid gathered for the last time in London, which a month earlier had become the base for their campaign to sell the world on the first-ever World Cup shared by three countries. ...

Anthropic walked back a policy it had for AI research. Bloomberg/Getty Images Fable 5 and Mythos 5 are Anthropic's latest top AI models, released this month. Anthropic said a US order bars any foreign entities or individuals from using its models. The company said the "net effect" of the order is to abruptly disable the models for all customers. Anthropic said it plans to disable access to its latest top AI models, Fable 5 and Mythos 5, following a government export control that would bar f...

Elon Musk's rocket company went public in a blockbuster IPO, skyrocketing the CEO's net worth above $1 trillion. How will the SpaceX IPO impact markets? Where does the company go from here? Business Insider's Dan DeFrancesco and Joe Ciolli have the answers to these questions and more in a live Q&A. Read the original article on Business Insider

Sialkot, Pakistan produces most of the world's footballs, but only a select group of manufacturers hold FIFA licenses. To earn certification, factories must pass a series of demanding performance tests and pay high licensing fees. We visited Bola Gema to see what it takes to meet FIFA standards, and why manufacturers are willing to invest for a chance to cash in on World Cup demand. Read the original article on Business Insider

Number One Observatory Circle is the official residence of the US vice president. Pablo Martinez Monsivais, File/AP The vice president's official residence is on the grounds of the US Naval Observatory. Different vice presidents have added amenities such as a pool, a jogging track, and a garden. The residence may be haunted — Walter Mondale's daughter once said she saw a ghost in her bedroom. Vice President JD Vance and his wife, second lady Usha Vance, moved into the vice president's offic...

David Hockney has died at 88. David M. Benett/Dave Benett/Getty Images The iconic British artist David Hockney has died at 88. He had a voracious work ethic and kept working until his final days. Research suggests that working into old age could help stave off chronic disease. David Hockney has died at age 88, one month short of his 89th birthday. The iconic British artist, known for his signature bleached blonde hair and colorful, rounded glasses, had a work ethic that kept him creating un...

I never imagined I'd trade a big city for my rural hometown, but now I've never been happier. Abigail Ali Growing up in a small rural town, I couldn't wait to leave and move to a big city like Chicago. I loved living in Chicago, but couldn't find work there, and surprisingly missed my hometown. I thought I would regret moving back, but now, a year later, I can't imagine living anywhere else. Growing up, all I wanted was to leave my rural hometown of Edenton, North Carolina, behind and move ...

My partner and I had plans to move in together, but having tough conversations about money made me realize we weren't aligned. Sage Rubinstein Over a year into our relationship, my boyfriend and I were planning on moving in together. For the first time, we had to have some awkward conversations about money and a rent breakdown. Our different attitudes led us to pause our moving plans, and we broke up four months later. My boyfriend and I floated back to my apartment after dinner and a comed...

Meta's spokesperson said the company was aware of the outages. Beata Zawrzel/NurPhoto via Getty Images Facebook and Instagram were suffering from widespread outages on Friday morning. Users of the Meta-owned social media sites reported issues with accessing the platforms, according to the third-party outage-tracking website DownDetector.com. Facebook and Instagram were experiencing outages. DownDetector Meta's communication director, Andy Stone, said in a post on X, "We're aware people are ...

The author and her neighbors take turns hosting kid-only meals. Courtesy of the author Weekly dinners with neighbors became a support system for both families. My children gained trusted adults outside of school and family. What started as convenience slowly turned into a real community. When I first suggested a "kids' dinner" with our upstairs neighbor, I was mainly thinking about getting a night off. Feeding my three kids (ages 4, 6, and 10) can feel endless — just when I think I've foun...

The author and her partner met when she was n29 and he was 46. Now that he's 57, she's timing more about how their future will look. Courtesy of Victoria Peel Yates. My partner is 17 years older than me. I've been calculating how much time we have left together. Since my mom died at 69, I can't stop worrying about what our future might look like. Despite my fears, we recently moved to Italy together. On New Year's Day, I sat crying alone on the sofa while my partner, Max, slept. I wished it...

Mahjong originated in China and became popular in the US during the 1920s. Justin Sullivan/Getty Images After my millennial cousin convinced me to try mahjong, I'm hooked. It keeps me off my phone and engaged with my friends and family. Now I understand how people can spend hours around a mahjong table without getting bored. A few months ago, if you'd asked me what I knew about mahjong, I probably would have said it's a game older women play, like my grandma, and that I was definitely not i...

Business Insider's reporter booked overnight train rides on Nightjet and Amtrak trains. Joey Hadden/Business Insider I took an 11-hour overnight train from Venice to Vienna in 2023 and booked a private cabin for $200. I took a 53-hour Amtrak train from Chicago to California in 2026 and booked a bedroom for $2,200. While the overnight train rides were completely different, both were worth the price. One was a means to an end. The other was a destination in itself. I'm talking about two overn...

The author and her friend helped each other clean for a day. Courtesy of Kris Ann Valdez My neighbor and I often help each other with cleaning during visits, which makes things easier. We planned to help each other with a dedicated deep-clean. Our plan fell through, but another friend was up for it, and it saved us time and money. My neighbor entered my house one afternoon, greeted by the laundry mound on the family room floor. As her three kids scurried off in different directions to find...

Under CEO Josh D'Amaro, Disney has empowered employees to use AI tools like Claude. Samuel Boivin/NurPhoto via Getty Images; Aurore Marechal/Getty Images Disney wants its tech employees to use AI more often to boost productivity and speed. However, employees shouldn't be wasting AI tokens, a product executive recently said. Tech companies are scaling back on so-called "tokenmaxxing," and some are setting up monthly quotas. Disney is encouraging streaming staffers to embrace AI while warning...

The author is struggling to pay off her student loan debt. Courtesy of Ariel Goldstein I took out student loans, believing public-service work would eventually make the debt manageable. Years of low wages, health issues, and unstable repayment policies left me in debt. Changes to the federal repayment SAVE program are making it even harder for me to achieve stability. Student loans were supposed to be my ladder out of poverty. Instead, they are an anchor. I did not have a stable or secure c...

Sara Perelli-Minetti runs an executive compensation coaching company and suggests candidates use live calls to gather context when negotiating salaries. pocketlight/Getty Images Compensation coach Sara Perelli-Minetti advises job seekers to use live calls to get context about an offer. Perelli-Minetti said candidates should then follow up with an email when making their ask. Job seekers should never accept an offer over the phone without full context, she said. If you've ever frozen mid-sal...

SpaceX's valuation has grown exponentially since its 2002 founding. Gina Ferazzi / Los Angeles Times via Getty Images In 2002, Elon Musk founded a dark-horse company to make rockets reusable, and thus more affordable. That company, SpaceX, went public on Friday at a $1.8 trillion valuation, with shares popping out of the gate. BI pieced together some of SpaceX's most iconic — and visual — moments since its founding. Nearly 25 years ago, a mariachi band played at a SpaceX party while Elon Mu...

Joby (pictured) and Archer are targeting a 2026 certification. Taylor Rains/Business Insider Joby, Archer, and Beta are racing to make flying cars a reality, each with unique aircraft designs. They envision eVTOLs one day regularly carrying people to airports or to work. Flying taxis face hurdles like certification, infrastructure, and public acceptance. Three US aerospace startups are in a high-stakes race to bring the "Jetsons'" dream of flying cars to life — and each has a different visi...

New Yorkers waited hours in line for Zohran Mamdani's limited-edition $50 World Cup jerseys. Sydney Bradley/BI New York City's swag (democratic) socialist renaissance has arrived. Mayor Zohran Mamdani unveiled an affordable Big Apple-themed World Cup jersey — going for about $50 while FIFA's are topping $150 — this week, and people lined up for it in the thousands. Available only at the city-government-run NYC City Store location in Manhattan on June 12, residents woke up at dawn, played hoo...

Bang Cookies co-owner Corey Bonalewicz (left) and Gen Z franchisee Kugan Suppiah (right) pose together at the grand opening of Suppiah's store. Arrow Marketing Young entrepreneurs are turning to restaurant franchising as a path to business ownership. Millennials and Gen Z value franchise stability and guidance over the risks of independent startups. Social media-savvy young franchisees boost engagement and bring fresh ideas, benefiting brands. When Kugan Suppiah was 24, he wasn't thinking a...

Paramount Skydance CEO David Ellison has DOJ clearance to buy Warner Bros. Discovery. Angela Weiss/AFP via Getty Images; Dania Maxwell / Los Angeles Times via Getty Images Paramount Skydance got the US Department of Justice's approval to acquire Warner Bros. Discovery. "We are grateful for the Department of Justice's thorough review of this transaction," Paramount said. Buying WBD's studio and streaming assets would make Paramount a Hollywood superpower. David Ellison's Paramount Skydance j...

Paola Chapdelaine for BI I was at the Nasdaq building when SpaceX went live on Friday morning. The record-breaking IPO brought together Musk fans, tourists, and some poised to win big. Here's everything I saw in a sweltering Times Square during the historic event. Astronaut costumes. No-shows. Soon-to-be very rich people. I spent Friday morning outside the Nasdaq's headquarters in Times Square, when SpaceX debuted on the exchange under the ticker SPCX. On Thursday night, the company was pri...

After visiting 29 states last year, there are some I can't wait to go back to and others I'd skip next time. Emily Pogue Last year, my husband and I traveled across the US, spending time in 29 states along the way. I fell in love with Michigan, Vermont, and South Dakota, and found plenty to do. Although I had a great time in places like West Virginia and Idaho, I think I saw the highlights. Last year, my husband and I decided to make the most of working remote jobs by traveling across the U...

Elon Musk's companies have been swapping IP and cash. It's led to rumors of potential mega mergers. Spencer Platt/Getty Images The companies led by Elon Musk have become increasingly intertwined in the past couple of years. These firms have shared employees and purchased batteries, software, and vehicles from each other. SpaceX is expected to contribute to Tesla's coming Roadster, for example, and xAI's Grok is in Teslas and Optimus demo bots. For years, the sprawling companies in Elon Musk...

Steven Spielberg prepping a shot for "Indiana Jones and the Raiders of the Lost Ark." Lucasfilm Steven Spielberg has made some of the greatest movies of all time. Here are all 35 of his feature-length movies, ranked from worst to best. See where his latest movie, "Disclosure Day," ranks. Regarded as one of the greatest directors of all time, Steven Spielberg has given us some of the most memorable movies ever made, from "Jaws" and "E.T." to the "Indiana Jones" and "Jurassic Park" franchises...

Maurice Edu says playing in the World Cup was a dream. Omar Vega/Getty Images Maurice Edu was a midfielder for Team USA in the 2010 World Cup. Today, he's a broadcaster for Major League Soccer and the dad of three. He uses affirmations with his kids and is more focused on discipline than soccer skills. This as-told-to essay is based on a conversation with Maurice Edu, analyst with Major League Soccer on Apple TV. It has been edited for length and clarity. When I was growing up in California...

I tried the Cuban sandwich from Sanguich in Miami, which locals and critics have previously rated the best Cuban sandwich in the city. Erin McDowell/Business Insider Miami is known for its sandy beaches, energetic nightlife, and devotion to Cuban cuisine. I tried the classic Cuban sandwich from Sanguich, a popular spot with tourists, locals, and critics. After trying the rich, satisfying sandwich, the hype feels justified. Miami is home to countless eateries serving up classic Cuban sandwic...

Portland Leather Goods uses Nectar Social, an AI-assisted platform, to manage social media engagement. Portland Leather Goods Portland Leather Goods' five-person social media team struggled with an influx of social media engagement. To better manage user comments and DMs across platforms, the company employed Nectar Social's AI platform. The centralized approach and automated drafting feature helped reduce response times to one hour. Portland Leather Goods has amassed nearly one million fol...

NYC Mayor Zohran Mamdani released affordable World Cup jerseys on Friday. AP Photo/Seth Wenig Mayor Zohran Mamdani released New York City-themed World Cup jerseys on Friday. The $50 jerseys were meant to be an affordable alternative to the pricey FIFA version. People are now reselling the jerseys online at far less affordable rates. Missed your chance to snag one of Mayor Zohran Mamdani's affordable World Cup jerseys? You might now have to pay resellers a very unaffordable price. The New Yo...

I decided to share a home with three strangers after college, and so far, it's been better than living with friends. Emily Savage Six months after college, I moved to San Francisco, but was struggling to find potential roommates. Instead of living alone, I signed a lease with three strangers I met through Facebook groups. Moving in with people I didn't know was scary, but it's been easier than rooming with friends. When I graduated from college in 2023, I knew I wanted to return to Northern...

After traveling to over 50 countries, I think Uzbekistan is worth visiting. Kristin Gillies As a solo traveler who's visited over 50 countries, some have left a lasting impact on me. I'll never forget my time in Guatemala, where I saw a volcano erupt right before my eyes. Uzbekistan is one of my favorite places for incredible cuisine and breathtaking scenery. I'm a solo traveler from Australia who dreams of visiting every country in the world, and so far, I've checked over 50 off my bucket ...

Alexandria Belton feels as though the AI boom has priced her out of the San Francisco housing market, but is hopeful it's just a phase. Courtesy of Alexandria Belton Alexandria Belton started looking for a home in 2025 and feels she missed the boat because of AI. Belton's budget rose from $1.2M to $1.5M, yet homes are still selling far above asking prices. She feels like she can't compete with buyers right now, but hopes the AI mania blows over. This as-told-to essay is based on a conversat...

Ukraine's weapons makers don't work in singular, large sites, and instead break manufacturing processes up across multiple locations. AP Photo/Efrem Lukatsky Ukraine's arms makers have to split their work across multiple sites as Russia targets them. They don't want to create one large target that Russia can spot and hit. They say European firms need to start doing the same to be ready for a future war. The Russian threat is real, and it's time for European defense companies to start copyin...

The "Sting" is among Ukraine's most popular interceptor drones. Wild Hornets Ukrainian company Wild Hornets initially designed its interceptor drone for higher speeds. During development, engineers decided to trade the drone's speed for increased loitering time. The interceptor is now one of the best-known in Ukraine's arsenal. KYIV, Ukraine — At first, it was only a faint whine somewhere in the distance. Then the sound sharpened, swelled, and suddenly the drone was overhead, a high-pitched...

Dave Nitsche, 57, was diagnosed with stage 4 lung cancer despite being a highly active non-smoker with no family history of lung cancer. Dave Nitsche At 49, triathlete Dave Nitsche experienced sudden vision loss in one eye. He was diagnosed with stage 4 lung cancer and told he had a maximum life expectancy of 2 years. At 57, he surpassed the prognosis, thanks to treatment and a high VO2 max from his lifestyle. At 49, Dave Nitsche was the picture of great health. A project manager for a Toyo...

Anne Hathaway films "The Devil Wears Prada 2" in New York City. Patricia Schlein/Star Max/Getty Images Vintage Coach briefcases are having a moment. Anne Hathaway carried one in "The Devil Wears Prada 2," and Coach fans are bringing them to work. Shoppers say the bags, which can be 40 years old, are timeless, practical, and of superior quality. Simone Chavoor was tired of walking into work with an "ugly backpack from Amazon" on her shoulders. So the 43-year-old media professional went looki...

Dollar General is adding more $1 items to its stores. Alex Bitter/BI Dollar General is adding more $1 items to its shelves. It's part of the retailer's strategy as inflation picks up steam again. I went to a Dollar General store to see what kind of groceries I could buy for $1 apiece. Dollar General is going back to its roots. The discount retailer is leaning into its selection of $1 items, from potato chips to trash bags, to draw in customers as fuel prices have risen this year. It harkens...

OpenAI CEO Sam Altman said he no longer thinks there will be a "jobs apocalypse." Brendan Smialowski/AFP/Getty Images OpenAI CEO Sam Altman said he thought AI would have impacted entry-level white-collar jobs more. "I'm delighted to be wrong about this," Altman recently said. Altman isn't the only AI leader shifting how they talk about job displacement, with Microsoft's AI boss clarifying a viral remark. AI CEOs and tech leaders are trying to find the right way to talk about the labor marke...

Zohran Mamdani recently created his answer to DOGE — the NYC Commission on Government Efficiency. Getty Images, Allie Kelly Mayor Zohran Mamdani launched COGE, New York's new government efficiency effort. The commission is hosting hearings where New Yorkers can testify on city spending. Attendees in Brooklyn spoke about AI, benefit programs, the local job market, and their affordability concerns. Jessica Ariel-Wamala told representatives from New York City's government that she's used to si...

Anthropic's Dario Amodei WEF Anthropic says the Trump Administration ordered it to block foreign access to two powerful AI models. In response, the company cut off all access to Fable 5 and Mythos 5. The tech world reacted swiftly and with surprise. Anthropic's announcement that the Trump Administration ordered it to block foreign access to Fable 5 and Mythos 5 — prompting the company to completely cut off access to those AI models — sent a shock wave across the tech world. Here are some re...

Bloomberg/Getty Images Zohran Mamdani called out Elon Musk's trillionaire status on Friday. Mamdani said it was the trillionth reason to tax the rich. Musk became the world's first trillionaire after the SpaceX IPO. New York City Mayor Zohran Mamdani used SpaceX's historic IPO — and founder Elon Musk's newly minted status as a trillionaire — to push policy. "Reason #1,000,000,000,000 why we should tax the rich," Mamdani wrote on X in response to Musk becoming the world's first trillionaire ...

JPMorgan is going all out for SpaceX employees, from a cake replica of its headquarters and plans to display rockets at the top of its skyscraper. Cake Don; Leo Villareal Studio JPMorgan is hosting a SpaceX IPO celebration with 250 of Musk's employees at its new Park Avenue HQ. The celebration was Jamie Dimon's idea — and he pitched it to Elon Musk. Guests get steak, sushi, cocktails, and the night ends with a SpaceX-themed skyline light show. A SpaceX-branded tomahawk steak carving station...

Kevin O'Leary on AI, China, and why America needs more compute power. Read the original article on Business Insider

Anthropic CEO Dario Amodei arriving at the White House earlier this year. JESSICA KOSCIELNIAK/REUTERS Anthropic faced backlash over AI model limitations and transparency. Anthropic cited safety reasons, but also aims to protect its business from AI model distillation. Open-source AI models challenge Anthropic with competitive performance and lower costs. Anthropic changed course after a developer backlash this week. The bigger story is what the company is still doing, and why. The startup s...

Goldman Sachs CEO David Solomon released his annual letter to interns. ECNY Business Insider got an exclusive look at David Solomon's annual letter to interns. The 2026 class includes around 2,500 interns, with an acceptance rate of less than 1%. Solomon advised interns to "manage your energy" on the same day as SpaceX's IPO, which the bank led. Goldman Sachs' youngest employees are walking into an "innovation supercycle." CEO David Solomon said as much in his annual welcome letter to inter...

The author packed a backpack and carry-on luggage for a weeklong cruise on board Royal Caribbean's Wonder of the Seas. Joey Hadden/Business Insider I sailed on Royal Caribbean's Wonder of the Seas, one of the world's largest cruise ships, in 2022. I wore a backpack and brought a carry-on suitcase for the seven-night Caribbean cruise. I was glad I packed light, but had some regrets. I longed for earplugs and warmer clothing. My first cruise was a huge learning experience — especially when it...

The author says Gen Z is well-equipped for the AI-focused workforce. DeAndres Royal/North Carolina Central University via Getty Images I used to work at Meta and now work closely with college students. The students I meet are among the most talented workers I've ever met, especially in AI. But they can't find jobs because companies keep prioritizing AI over entry-level employees. A couple of years ago, I witnessed three USC students present a fully immersive VR experience that might have ta...

Columbia University has the highest-earning graduates in New York. Jeenah Moon / POOL / AFP The college you attend can affect how much you earn after graduation. The Department of Education's College Scorecard tracks former students' earnings by school. Business Insider listed the US colleges with the highest-earning graduates in every state. At some schools, investing in higher education pays off more than in others. Business Insider recently identified the 34 US colleges with the highest-...