A young girl named Kira went to Disneyland last month and rode a roller coaster for the first time. She went on the Gadget's Go Coaster — a "junior" ride for young visitors — but she still had a wild time.
In fact, video of her during the ride shows her going through the full spectrum of human emotions.
Story by Tony Manfred and editing by Carl Mueller
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African King Musa Keita I is thought to be the richest person of all time — "richer than anyone could describe," reports Time.
Literally. His fortune was incomprehensible, Time's Jacob Davidson writes: "There's really no way to put an accurate number on his wealth."
He ruled the Mali Empire in the 14th century and his land was laden with lucrative natural resources, most notably gold.
"His vast wealth was only one piece of his rich legacy," reports Jessica Smith in a TED-Ed original lesson. Read on to learn more about the legendary king and see what it was really like to be the richest person in history:
SEE ALSO: How old 17 self-made billionaires were when they made their first million
Mansa Musa was in charge of a lot of land. To put it into perspective, he ruled all (or parts) of modern day Mauritania, Senegal, Gambia, Guinea, Burkina Faso, Mali, Niger, Nigeria, and Chad.
Dating to 5th century BC in ancient Greece, a handshake symbolizes a done deal, a fond greeting, or deep respect between humans.
Business Insider has combed through more than 2,500 years of history to bring you the five best handshakes of all time.
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Few acts can validate a person's best hopes and dreams like the firm handshake an employer offers when hiring an applicant.
Simply put, this is a very personal, and truly great handshake that everyone in a modern economy should have at least once in their life.
During William McKinley's tenure as president he developed a specific handshake known as "McKinley Grip."
He would warmly greet each recipient and offer his right hand, give a firm pump, and then quickly yank his hand away before the other party could reciprocate.
All the while, his left hand would clasp the person's elbow, and give them a friendly but vigorous shake.
The McKinley grip was ideal for greeting the thousands of Americans he would meet face to face during his tragically short tenure as president.
As fate would have it, on September 6, 1901, a man approached McKinley for a routine handshake, McKinley noticed the man's right hand was bandaged and quickly offered his left hand to compensate.
At that time the man drew a pistol and shot the president. Within a few days McKinley died of the gunshot wound sustained while offering up his signature handshake.
Few handshakes in recorded history better display the gesture's ability to express respect and agreement than this rare three way shake between world leaders.
This handshake came after 12 days of intense negotiation that would later become known as the Camp David Accords.
The rift between Israel and the Arab world continues to cause violence and turmoil today, but this handshake marks a high point for diplomacy and peace in the middle east.
Recent pharmacology school graduate and director of a lifestyle brand, Haneefah Adam, designs clothes and headscarves for dolls as a passion project. In the two months since she launched her Instagram page, Hijarbie, about a doll who wears the Muslim veil, she has gained 38,000 followers.
Story and editing by A.C. Fowler
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The Internet had an incredible response to Kanye West's tweet announcing that he is, in fact, $53 million in debt.
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Bill Gudenrath is a scholar at the Corning Museum of Glass in New York. He's also a glass blower, and recreates Venetian glass artifacts from museums in order to learn more about how they were created hundreds of years ago.
Story and editing by Ben Nigh
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Melanie and Francesca De Watts harvest fresh air from the English countryside, bottle it, and sell it to smog-choked China. The pair claims to have sold over 100 bottles so far. The price for their artisan, small-batch oxygen? Each jar costs €80, or about $115.
Story and editing by Stephen Parkhurst
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Stephen Dubner, co-author of the best-selling "Freakonomics" series of books, has helped analyze hundreds of problems between four books (and an upcoming fifth, on golf), a blog and his podcast radio show.
While he's often depicted as the sidekick to his coauthor, the acclaimed economist Steven Levitt, his role actually varies from project to project.
Yes, he's the writer and communicator. But often he's knee deep in setting up experiments himself.
For instance, when the team researched if car seats for older kids actually make kids safer back in 2005, that was a "real tag-team effort," Dubner recalls. Levitt analyzed the data, but Dubner set up the experiment.
He says that this Freaknomics journey has changed his outlook in a several ways.
The work makes him vacillate between being more cynical and more hopeful. "I'm ok with that. I'm not hoping to come down on one side or the other," he told Business Insider.
He's more cynical because "so many of the ideas and platitudes and conventional wisdoms you run into are really not legitimate," he says. "If you just poke at them a little bit and get a little bit of data, you see they are not so irrefutable."
Out of all the analysis and experiments he's done, there's one that was the "most upsetting." When the team looked into cancer research and discovered "how not far we've come," he says.
"It is true that there are some cancers and some treatments that are better than they were 40 or 50 years ago, but relative to the severity of the problem, and relative to the amount of money and mind share that we've devoted to it, the level of success is just much, much smaller than I think everyone would wish," he says. (By the way, Levitt's sister passed away in 2012 from cancer. She was 50.)
Then again, he also feels more optimistic at times because "there's just an army of smart, well-intentioned people out there, including some in politics and some in business, who are coming up with new ways for all of us to be better at problem solving."
In fact, Freakonomics Radio these days has become more devoted to discussing solutions to complex problems, rather than just ripping down conventional wisdom.
All of this has changed the way he generally thinks about humanity, too.
He understands that people are just being "human" and making decisions in response to their incentives.
"I've learned not to blame people," he says.
SEE ALSO: Malcolm Gladwell explains how to get someone to make the right decision when they don't want to
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In the 11 years since economist Steven Levitt and journalist Stephen Dubner wrote their first book, "Freakonomics," their partnership has become an empire with four best-selling book that have sold over seven million copies, a popular podcast, a movie, countless speaking gigs, and other commercial opportunities.
It's a dream come true for Dubner, who is often depicted as Levitt's sidekick in the whole Freakonomics thing.
While Levitt is unquestionably the number-crunching data analyst of the pair, over the course of the past decade, Dubner has become more than just his scribe. Depending on the project, he does everything from the research to setting up the experiment, with Levitt always in charge of crunching numbers.
He says that this Freaknomics journey has changed his outlook (he's both more cynical and more hopeful), his view of humanity (he's learn to understand people better rather than blaming them), as well as his life.
It hasn't made him private-jet wealthy but it has given him financial security.
He grew up in a farm in upstate New York where his family grew their own food, and he describes his childhood as "Happy but poor. There were eight kids and I was the youngest of eight."
And he was working as a journalist at the New York Times Magazine when he first met Levitt. He wasn't exactly starving, but he couldn't afford to live in Manhattan.
He says these are the three biggest things that he's grateful for:
1. Food security. "I like to eat. I marvel almost daily that something we have to do for sustenance is also fun to do," he says. Growing up in a big family with very little money, "all of your decisions on what to eat were based on cost." Now he can eat whatever he wants. If he wants the macadamia nuts he can have them.
"I know that sounds silly but almost every time I buy food, whether it's a restaurant meal for my family, or clicking online grocery shopping, I really appreciate that. The stresses of not having enough money are huge."
2. Living in New York. "I love New York. For me its a great luxury to have a family there. I like the intensity, I like the variety, the propinquity, the fact that there's all of these ideas rolling around."
3. Self-funding his own projects. "I like that I have the resources to fund the work I want to do. I'm building a little production company. Today at this event, we're trying out a new event that's going to be like a game show," he says. It's so much easier to develop new ideas.
"It's true with a new podcast you can try and make a deal with a media company, but it's nice to have the latitude to also fund it myself," he says, adding that he's got a research and production team that lets him do the show the way he envisions, because "as soon as you start collaborating" your partners want to shape your ideas and shows to fit their own needs and goals.
SEE ALSO: 'Freakonomics' author says the most upsetting problem he's ever researched was cancer
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Chartering yachts is nothing new — many boat owners rent their mega-yachts out for months at a time to make up for the high costs of ownership.
Chartering cruise ships? Now that's something different entirely.
Celebrities and the ultra-rich have taken a penchant for renting out entire cruise ships for them and as many as 200 of their closest friends, Bloomberg reports.
"It's like owning a mega-yacht for a week or two," Carolyn Spencer-Brown, editor of Cruise Critic, told Bloomberg.
These cruise ships are on the small side, to be sure, and often are owned by smaller boutique cruise lines like Crystal Cruises.
Crystal's Esprit ship, which the company purchased with the intention that it could be loaned out, can host 62 guests — the perfect size for private cruising, but pales in comparison to the giants from Royal Caribbean, Carnival, or Norwegian Cruise lines, which can host thousands.
A seven-day private cruise with the ship starts at around $500,000 a week.
For comparison, one of the most expensive private yachts in the world to charter, the Triple Seven, only has five cabins and costs $600,000 a week, a number that doesn't include food, drink, taxes, entertainment, fuel, and gratuity like the cruise does.
It also works out well for the cruise line, as that $500,000 adds up to be more than the company would generate from a single seven-day trip with a full ship of passengers paying $6,250 each.
These are no spur-of-the moment bookings, however, and they don't interfere with regular sailing schedules. Often, these types of private rentals are planned up to two years in advance.
SEE ALSO: The $83 million Skyacht One private jet is basically a luxurious super yacht that can fly
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Aerie, the American Eagle lingerie brand that refuses to airbrush its models and has seen sales soar in recent months, has taken another step to set it apart from the competition.
On Thursday the underwear brand, launches a new push in support of the National Eating Disorders Association's (NEDA) National Eating Disorders Week. It's the first time a big brand has partnered with the organization.
The largest lingerie player in the market, Victoria's Secret, markets itself using svelte models and highly choreographed runway shows. Aerie, meanwhile, has set itself apart by positioning around "real" women — often curvier in shape and whose images aren't retouched using Photoshop.
Aerie's newest ambassador, Iskra Lawrence — the model who was dropped from her first agency in her teens because her 36-inch hips were "too big"— fronts the campaign.
Throughout the week, Aerie will donate 100% of sales of a new t-shirt — which reads "Strong. Beautiful. You!" to NEDA. Any customers making a donation to NEDA online or in-store will also receive a bracelet. Aerie will promote the push online, in-store, and on its social channels.
Speaking to Business Insider, Lawrence — who is also an ambassador for NEDA — says the charity raises awareness of an issue she has personally had to deal with.
"In the modeling industry, I started at the age of 13, then I was dropped for being too curvy," she said. "I was really scrutinized for my body, rejected, called certain things. Then I tried to do plus-size, but I wasn't big enough. So I struggled with, sort of, eating, and it's something close to my heart. Many of my friends have suffered."
Lawrence said the campaign is significant because brands don't usually publicly lend their support to eating disorder charities — "It's almost like eating disorders have that stigma," she said.
Education is key, according to Lawrence. As part of her role at NEDA, she teaches courses in schools to help prevent eating disorders, and she hopes her work with Aerie will have a similar effect.
She said: "How we teach is this: Who is winning out of this perfect body idea? It's certain brands, certain glossy magazines, it's the media. But you are not winning because you can never look like that girl — you are you. And you know what? That's why you're beautiful. So for Aerie to put out real women and to show off all our so-called flaws that society has told us — we weren't born thinking cellulite was a problem, that the odd breakout was a problem: society and the media has told us that — we need to un-teach those girls and tell them just how beautiful they are."
Aerie's global brand president Jennifer Foyle told Business Insider said partnering with NEDA was the "perfect union" and she hopes the campaign will help instill body confidence in young women and encourage more of its customers to spread the word and become brand ambassadors.
"There are more and more players acknowledging the fact that beauty is internal," Foyle said. "Our creative team one day we just thought: Wow, wouldn't it be amazing if we didn't airbrush our models? Why do we need to? And it just evolved from there. I think the difference of what we're trying to do at Aerie is instill that this is our DNA ... this is not just a one-shot campaign for Aerie, this is something we live by and work by. It's celebrating young women and encouraging them to be confident about who they are."
We asked what her competitors over at Victoria's Secret will think of the push.
"We don't like to talk about competition. They're certainly experts in their field and we think that we try to stand in our lane and do what we do best," she said. "I think that's special."
SEE ALSO: This lingerie brand for young women refuses to airbrush ads — and sales are soaring 21%
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Throughout China, there are hundreds of cities that have almost everything one needs for a modern, urban lifestyle: high-rise apartment complexes, developed waterfronts, skyscrapers, and even public art. Everything, that is, except one major factor: the people.
These mysterious — and almost completely empty — cities are a part of China's larger plan to move 250 million citizens currently living in rural areas into urban locations by 2026, and places like the Kangbashi District of Ordos are already prepped and ready to be occupied.
Photographer Kai Caemmerer became fascinated with these urban plans, and in 2015 he traveled to China to explore and document them. His series "Unborn Cities" depicts a completely new type of urban development.
"Unlike in the US, where cities often begin as small developments and grow in accordance to the local industries, these new Chinese cities are built to the point of near completion before introducing people," he told Business Insider.
Ahead, 12 eerie images from his series.
We recently named Phillips Exeter Academy the most elite boarding school in America— for the second year in a row.
Phillips Exeter is highly selective and has educated some of the most powerful people in history. Its alumni base includes 19 state governors, five US senators, five Olympic athletes, two Nobel Prize winners, a US President, and even tech moguls like Facebook founder Mark Zuckerberg and Quora founder Adam D'Angelo.
Many millionaires and a handful of billionaires are products of the Exeter community and have helped grow the school's endowment to $1.15 billion — more than any other boarding school and larger than many colleges as well.
The fund supports many students' tuition, which otherwise costs $47,790 a year for boarding students.
When Dr. John Phillips, a graduate of Harvard and resident of Exeter, New Hampshire opened the Academy in 1781, he set out to teach young men "the great and real business of living." More than two centuries later, the now co-ed school prides itself on the strength of its network, its commitment to spreading kindness, and on its use of the Harkness Method, a unique teaching model that schools around the world strive to imitate.
In the fall of 2014, I spent the day as a student at Phillips Exeter Academy, located in Exeter, New Hampshire, to see what makes it so unique.
Additional reporting by Emmie Martin.
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With nearly 700 stunning islands and a host of incredible beachside properties, the Bahamas is paradise waiting to be explored.
It also happens to be the number-one Caribbean destination wealthy travelers love the most.
A recent report by Resonance Consultancy surveyed 1,664 travelers with a household income of at least $200,000 to find out their favorite travel spots. Of the several Caribbean destinations that made the list, the Bahamas came out on top.
We’ve put together a collection of 17 photographs that show some why it’s become a beloved place for the rich and famous.
SEE ALSO: 20 photos that show why this small town in Mexico should be on your travel bucket list
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Click here to learn more about Stuart Cove's Dive Bahamas»
Sakara Life founders Whitney Tingle and Danielle DuBoise believe in nourishing yourself from the inside out.
With its plant-enriched diet, it's no surprise the food delivery service has gained celebrity devotees like Lily Aldridge, Chrissy Teigen, Gwyneth Paltrow, and many more.
Story by Aly Weisman and video by Adam Banicki
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Housing — whether it's renting an apartment in a major city, living in student dorms, or financing a home — tends to be a big money suck.
But it doesn't have to be.
From living in company parking lots to making 713-mile commutes overseas, people all over the world have found creative ways to live on the cheap. We aren't recommending you take these tactics ... unless you're ready for a serious lifestyle change of the biggest kind.
Here are 12 of the more extreme measures people have taken to save on the costs of housing:
The 23-year-old software engineer's one recurring cost is truck insurance ($121 a month) — and he's saving 90% of his income by avoiding an overpriced San Francisco apartment.
He's used the savings to pay down student loans, get a head start on investing, and set aside money for his goal of traveling the world in a few years.
Read more about Brandon's story.
Sarah Carter, 23, opted out of settling into an outlandishly priced San Francisco apartment and moved onto a sailboat instead.
She pays for electricity and water, as well as a small monthly docking fee, which includes internet access. Her housing costs add up to about $350 a month — not bad considering the median rent for a one-bedroom apartment in San Francisco is $3,500 a month.
Read more about Sarah's story.
Joel Weber took one look at the cost of residence halls at the University of Texas at Austin (about $1,135 per month) and knew dorm life wasn't for him.
To save on student housing, he constructed a tiny house in a friend's backyard for less than $15,000. He now pays nothing in rent and plans to graduate debt-free.
When a company changes a favorite item, fans notice — even if the change is tiny.
Uniqlo's Oxford Slim Fit Cloth button-down shirt is well regarded in certain circles as having the very best bang for your buck.
It's the perfect intersection of fit, quality, and price, and we've written about how it shows why men love to shop at the Japanese chain.
Well, it was the perfect intersection, anyway. One of those pillars has fallen with the company's introduction of last season's update to the shirt, which slightly loosened its fit.
Uniqlo fans immediately rushed to the Men's Fashion Advice subreddit to voice their frustrations.
"Safe to say this wasn't the shirt I was expecting," one poster claimed. "It is extremely boxy, and very long."
"The fit was super billowy and i had to return it," another poster claimed.
The reviews section for the shirt on Uniqlo's website is also littered with comments from unhappy shirt buyers, upset by the change. Out of the 30 total reviews, a majority of them are negative, and the shirt currently only has a 1.5-star rating. It's garnered comments like "The fit of this shirt went from tailored to garbage bag" from one reviewer, while another claimed he was "Swimming in fabric for a 'slim fit.'"
For comparison, the reviews for the previous shirt before the change stand at an average of just over four stars.
We reached out to Uniqlo to confirm the fans' suspicions, and the brand claimed the shirt was widened by only an inch around the waist. A brand representative said that the shirts may suffer from consistency issues in manufacturing, or that the old shirts the bloggers were wearing had shrunk in the wash more than they realized.
So we had to try it for ourselves.
We went to our local Uniqlo store and found two shirts, one from the problematic season and one from the season prior, confirming the product SKUs to make sure what we had was the real thing.
We measured the shirts, finding consistency with Uniqlo's claims of a one-inch loosening. We also found that the tail of the shirt was lengthened by about an inch compared to the previous model.
After trying on the shirts, it was clear to me — the new shirt is significantly less slim-fitting, and it's definitely not the flattering "perfect" shirt I remember. It was now impossible to wear this shirt untucked, as on my 5-foot-9 body the small draped all the way past my pants fly.
It's worth nothing that some commenters liked the new fit, and praised the fact that it can now be tucked in.
Asked if Uniqlo will change anything for next fall (this spring's Oxfords have already hit shelves, and the size chart has not changed for spring/summer 2016) a rep said that the company will "review all products each season and based on the feedback carefully re-consider the best fit."
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Sometimes, when traveling, it can be tough to figure out whether it's smarter to book a hotel room or an Airbnb rental.
The bus travel booking website Busbud compared Airbnb prices and hotel rates across 22 cities in North America, Europe, and Australia.
The prices of Airbnb bookings are based off of the cost of a one-night's stay, while the average prices for a hotel room were determined using Hotel.com's Hotel Price Index Report, which analyzes prices based on bookings made on the site per room per night (including any taxes and fees).
It's good to note that prices are subject to change depending on the season and how close to the time of the trip the booking is made. Still, the numbers help give a sense as to where a particular booking option might be cheaper than the other.
The data shows that, in general, Airbnb could save travelers money when booking across the northern US, while hotels offer better rates in the southern part of the US.
In Europe, the average hotel costs can be as much as double the cost of Airbnb bookings.
To see the full study, click here.
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We're telling you about this because it's really easy, and frankly we know that's what's most important to you.
Online retail brand Combatant Gentlemen has created an app called CombatGent. It's a shopping app, but the real key here is that it helps you put clothes together for basically any occasion.
If you see something you like, you can purchase it directly on the app. Shipping is free.
The whole thing was built in-house at Combat Gentlemen using a Netflix-inspired algorithm that considers everything from your taste, to the occasion, to the weather in your area.
“For us, mobile isn’t only about selling product,” said Scott Raio, CTO and Co-Founder at Combat Gent. “We believe it is one of the most crucial ways to progress this company and technology altogether, and we wanted to leverage the knowledge of our design team with the data we already have from our current database to create a seamless native experience that provides the utmost value to our end customer.”
You start by telling the app what you're dressing for.
It will send you a few options, which you can adjust for the location and date (which adjusts your picks based on the weather) and your skin tone. You can also change the occasion if you wish.
The application also allows you to put in your own measurements, so ordering is seamless.
Bottom line here, whether you use this thing to buy clothing or not, it will guide you on how to better use what you have.
And everyone needs that.
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It's very likely that you're not getting enough sleep.
According to a new report from the CDC and the first study to look at survey data from every state in the US, one-third of all Americans are getting less than seven hours of sleep per night, which is the minimum for what's considered a "healthy sleep duration."
Getting enough sleep is critical: Sleep deprivation has been linked to an increased risk of diseases such as diabetes, obesity, coronary heart disease, and stroke.
Of the more than 444,000 people who took their self-reported survey in 2014, just 65% said they got at least seven hours of sleep every night.
On a state-by-state level, more South Dakotans and Coloradans got sufficient sleep compared to Hawaiians (71% vs. 56%). The CDC also found that the people getting sufficient sleep varied by race/ethnicity, with only a little more than half of all non-Hispanic blacks, Native Hawaiian/Pacific Islanders, and multiracial respondents reporting they got more than seven hours of sleep per night.
The CDC recommended that for those not getting enough sleep, they might want to try keeping track of their sleeping habits as well as behaviors that may be affecting their sleep and chatting with a doctor.
Your body will thank you.
NEXT: 12 healthy habits to get a better night's sleep, according to scientists
RELATED: A tiny percentage of the population needs only 4 hours of sleep per night
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