South Koreans grew roughly 7 inches in a century on average

South Korea has the lowest fertility rate in the world

If current birthing trends persist, every hundred South Koreans today will have only six great-grandchildren between them. This crisis is a result of high expenses, harsh work-family trade-offs for women, declining marriage rates, and other societal factors. Some newer policies are helping to build incentives for having children, but larger issues also need to be addressed.

How life ranks in South Korea

As South Korea developed over the last half of the 20th century, quality of life soared. The country now outperforms the world average when it comes to education, health, and civic engagement, according to the OECD’s Better Life Index. In this dashboard, you can see where South Korea ranks in terms of housing, jobs, income, and more, and compare it against other developed countries.

There are roughly 7,000 Korean restaurants in the US

A generation ago, the average American had never heard of kimchi or bulgogi, but these days, Korean cuisine is booming in the United States. And it’s no accident. This one-minute explainer video from Morning Brew reveals what role the government played in boosting the popularity of Korean food abroad, and what it all has to do with foreign debt and soap operas.

How Korea’s beauty industry is impacting its healthcare system

Hallyu, or the spread of Korean culture, has made South Korea a global leader in the beauty industry. People worldwide travel to the country, seeking aesthetic procedures like microneedling and noninvasive lifting. The $4B industry attracts many doctors seeking high profits. However, the result is a healthcare system facing a critical shortage of general practitioners and hospital physicians.

Korea's "real-life mermaids"

Explore the incredible world of Haenyeo, Korea's female freedivers who dive to depths of up to 60 feet without oxygen tanks. These amazing women have been practicing this ancient tradition for centuries, and yet, their story remains largely unknown.

Global life expectancy has more than doubled since the 1850s

The human species experienced a dramatic increase in expected lifespan over the past 150 years. Antibiotics, improved sanitation, and better worldwide food distribution are a few factors contributing to this rapid transformation. Use this interactive resource to explore longevity gains over time and compare these improvements across the globe.

Imagining the reunification of the Koreas

The idea of reunifying North and South Korea has been a geopolitical dream for years, though one that feels perpetually out of reach. That hasn’t kept some from imagining it, though. Reddit user Aofen created a set of maps that postulate what effect a hypothetical reunification would have on population numbers, birth rates, median income, political affiliation, and more.

Wealthy, 'chaebol' families rule South Korea's economy

A handful of huge family-run conglomerates, or chaebol, are the engines of South Korea’s economy, with Samsung alone representing 20% of the country’s GDP. This gives the chaebol (literally “wealth group”) outsized power, often leading to corruption, labor violations, and anticompetitive practices. One economist interviewed in this Vice documentary says the chaebol have replaced Korean democracy with corporatocracy.

How K-pop conquered the world

How did Korean musical acts go from unpopular and at times maligned to filling arenas and creating one of the most viral music videos of all time? This 25-minute audio documentary from BBC World Service explains how social networks, plastic surgery, and government tax breaks helped turn K-pop into the multibillion-dollar global juggernaut we know today.

See South Korea's nighttime light usage, far surpassing North Korea's

You can tell a lot about a place by looking at satellite imagery of the earth at night. Economists use such images to study poverty and inequality, especially about secretive countries where it can be difficult to get information any other way. An image from NASA’s Earth Observatory shows the difference in electrification between North and South Korea (and the lights illuminating the DMZ are visible from space).

South Korea's decades long effort to build a new capital

South Korea has spent decades trying to ease overcrowding in Seoul by developing Sejong City as a new administrative hub. Named after the king who created Hangul, Sejong was designed to decentralize government functions—but slow population growth and limited transit have complicated the plan.

US defense spending peaked during the Korean War at 13% of GDP

In 1953, during the Korean War, US defense spending reached 13.58% of GDP—more than three times today’s level. That peak marked the most militarized moment of the Cold War, and spending has never returned to that level since.

Seven of South Korea's presidents have left office before their term ended

Recently removed President Yoon Suk Yeol isn’t the first South Korean leader to face turmoil at home. As this Voice of America piece shows, at least seven of the country’s 20th-century heads of state saw their political careers (and, in some cases, their lives) come to an abrupt and sometimes violent end.

An archive of Korean film

If Bong Joon Ho’s 2020 Oscar-winning film Parasite whet your appetite for Korean cinema, check out the Korean Film Archive’s YouTube channel, which has more than a hundred full-length classic films available to stream for free, some dating back as far as 1930. Many of the titles are remastered and feature subtitles in multiple languages. Start with “Mandala” (1981) and “Aimless Bullet” (1961).

The North Korean nuclear threat, explained

What would happen if North Korea gets a working ICBM Watch this six-minute video by Vox for an explanation of the North Korean nuclear threat. The Soviet Union first gave nuclear technology to North Korea in the 1950s, when they helped their ally...

Uncovering the evolution of history's largest dinosaurs

This article details how sauropods—the dinosaurs that Little Foot would call longnecks—repeatedly evolved to attain such colossal sizes, towering over other land critters, including tyrannosaurs and mammoths. Sauropods were giant, long-necked...

Girls are hitting puberty earlier than ever before

Around the world, there has been a spike in children—especially girls—experiencing early puberty and doctors are seeking to understand why. The rise has been particularly strong post-2020. Early-maturing girls are at a higher risk for developing...

The 2024 women's national championship between Iowa and South Carolina drew nearly 19 million viewers

Fueled by Caitlin Clark's star power in her final college game, the South Carolina-Iowa championship peaked at 24 million viewers, more than the men's final that year, making it the most-watched basketball game of any kind in five years.

What an average-sized home in each state looks like

Over the last century, the average home size in the U.S. has skyrocketed. Here’s a look at which states have the biggest and smallest homes.

Your feet can expand—permanently—due to pregnancy

A hormone called relaxin loosens tissues in the body to allow them to expand during pregnancy, affecting muscles and body parts—including the feet. The structural changes that occur in the foot as it expands are sometimes permanent. This article states that researchers have found as many as 61% of new moms did not have their foot sizes return to their prepregnant state. (Some users may encounter a paywall.)

Singapore grew its homeownership rate from 27% to 90% in less than 30 years

That progress stemmed from Singapore's founding prime minister, Lee Kuan Yew. He used a three-pronged approach to the homeownership solution: create affordable housing; make financing readily available to people of all walks of life; and help people gather down payments.

How to carry more than your own bodyweight

Those images showing a villager carrying an enormous bundle on their back, or balancing a basket of fish on their head—how's that possible? This article dives into the clever tools and habits of strength training some cultures employ as part of their labors, from the springy bamboos used by Vietnamese farmers to the headbound burdens of Himalayan sherpas.

Tracking annual working hours per worker in major countries

In 2023, China's workers averaged 2,328 hours per year, far ahead of the second country on the list, the United States, at 1,789. This chart shows the relative decrease of total work time across the world since the late 1800s.

Dove’s ‘Real Beauty’ campaign sparked conversations about beauty standards in media

For the 20-year anniversary of the campaign in 2024, Dove conducted a brand-commissioned study to gauge how perceptions of beauty standards have shifted since its launch. While 81% of US women thought “the media and advertising set an unrealistic standard of beauty that most women can’t ever achieve” in 2004, the share had shrunk to 69% in 2024. Watch the ad here.

The ancient crops we've forgotten how to grow

Roughly half of all world calories today stem from maize, wheat, and rice. But for most of history, plants were domesticated in highly local places. This video dives into the scientists learning about crops no longer highly in use that once fueled entire civilizations in North America. Some forgotten crops include pitseed goosefoot, maygrass, and sumpweed.

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

Scientists testing how climate change affects plants found, in a years-long simulation study, that poison ivy grew 70% faster with the resulting extra carbon dioxide.

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

Fish populations in the Great Barrier Reef have increased after installing waterproof speakers on the ocean floor that played recordings of sounds from healthy coral reefs.

One of the most famous portraits ever taken is 'Afghan Girl' (1984) by Steve McCurry, yet the subject Sharbat Gula went much of her life without being identified or benefitting from the image's success.

Waves off the coast of Nazaré, Portugal, can reach over 100 feet and are caused by the area's deep underwater canyon geography

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

The boiling temperature of water decreases with increasing elevation because the molecules need less energy to overcome the lower atmospheric pressure associated with thinner air.

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

Some researchers have labeled nomophobia, the fear of being without your phone, as 'the phobia of the 21st century.'

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in casualties, forces mobilized, and displacement of civilians.