China doubled its nuclear stockpile between 2020 and 2025, with plans for further expansion

See how global nuclear arsenals surged—then shrank—by country since 1945

Worldwide nuclear stockpiles peaked at over 60,000 warheads in the mid‑1980s during the US-Soviet arms race. Today, about nine nations collectively maintain roughly 12,000 warheads, with Russia and the US still holding the majority.

Experts argue that nuclear war is more likely than is commonly believed

The podcast highlights that many of the world's roughly 12,000 nuclear weapons—capable of triggering global collapse and nuclear winter—remain on high alert. Experts warn that this status, combined with limited public awareness, makes nuclear war disturbingly plausible.

Nuclear power supplies almost half of US carbon-free energy

As of 2023, nearly 20% of US electricity comes from nuclear power, but most reactors were built from 1971 to 1990. Expansion slowed due to safety concerns, high costs, and competition from natural gas.

Questions about the US' commitment to its allies may have sparked a new nuclear age

Some US allies—from Warsaw to Seoul—are reevaluating their security amid doubts over American nuclear commitment, signaling the possibility they may want to acquire their own weapons.

A US project proposed a 10-gigaton nuclear bomb capable of global devastation

Planned in the early 1950s by US scientists, Project Sundial aimed to create a 10-gigaton thermonuclear bomb—hundreds of times more powerful than any weapon ever built. Had it been tested, it was expected to cause global environmental catastrophe.

Ranking the world’s economies: 1980 vs. 2025

The US remains the world’s largest economy, having increased its annual gross domestic product from $2.9T in 1980 to $30.6T in 2025. In 1980, China ranked seventh globally with a GDP of $304B. In 2025, China ranked second with a GDP of $19.4T.

Comparing military power: China and Taiwan

When it comes to power, China and Taiwan are predictably lopsided, though in some regards Taiwan may be able to hold its own. This site crunches the numbers for each country and compares them side by side. See what the totals are and what either side's military seems to be focused on.

AI's growing energy demands are driving tech companies to consider nuclear power

Big Tech has rebranded nuclear power as a green solution to address the strain on the grid from millions of people using power-hungry AI tools. As of mid-2025, generating one image uses as much electricity as charging the average smartphone, or leaving a household light bulb on for 87 consecutive days.

Cold War nuclear tests exposed thousands to atomic blasts

After World War II, nuclear powers conducted thousands of weapons tests. This video pairs archival footage with interviews of veterans who witnessed Pacific test explosions, capturing the scale, shock, and human experience of being near a nuclear detonation.

China is the world’s largest importer of crude oil

China is pushing to reduce its reliance on US oil to limit geopolitical vulnerabilities. It’s rapidly becoming the world’s renewable energy superpower.

How cigarettes took over China

In 2022, China had a fifth of the world's population and bought nearly half of the world's cigarettes. This investigation explores how China became plagued by tobacco consumption, something epidemiologists say will strain the country's health system...

As of 2022, China has the largest reserve of rare earth elements

At 37.9% of estimated global reserves, China possesses twice the amount of REEs as Vietnam, the next closest nation. REEs, or lanthanides, are a set of 17 elements on the periodic table, which, alongside scandium and yttrium, share similar chemical properties that make them difficult to separate from within ores.

Hormone and peptide compounds imported from China soared in 2025

US customs data indicates that these imports doubled to $328M in the first three quarters of 2025, from $164M in the same period of 2024. The imports include GLPs, among other products. (Some users may experience a paywall.)

The X-37B is America's secretive long-duration space plane

The second iteration of the Space Race is already heating up between the US and China, with both countries working to develop technologies for space superiority. Among those, the X-37B has stoked fears in Beijing that the vehicle could one day deliver powerful weapons from space.

In 2024, China announced plans to establish an international lunar research station

The strategy, which runs until 2050, focuses on advancing space science, fostering technological innovation, and exploring habitable planets and extraterrestrial life, beginning with landing astronauts on the moon before 2030.

Japan committed mass war crimes during its invasion of China

During the 1937 invasion, Japanese forces carried out systematic atrocities—including mass executions, rape, torture, forced labor, and chemical warfare. The Nanjing Massacre alone killed tens of thousands over a span of six weeks, with some estimates claiming 300,000.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

View a photo essay of renewable power landscapes in China

Using a drone, Chinese photographer Weimin Chu captured the deployment of solar and wind power installations across the country, which accounted for half of all global installations in 2025. The images show modern infrastructure juxtaposed with natural landscapes and was featured in an award-winning exhibition presented by Greenpeace in 2025.

The discovery of the neutron paved the way for nuclear weapons

In 1932, James Chadwick discovered the subatomic particle when trying to explain the radiation emitted by beryllium after it was bombarded with alpha particles. The radiation’s ability to eject protons from a target suggested a chargeless particle with slightly more mass than a proton.

China makes 90% of the world's fireworks, with Liuyang as its production capital

Fireworks were invented in China, but their predecessor, the firecracker, was discovered in Liuyang upon burning bamboo. Pyrotechnics have since become part of the city's culture. Liuyang has won many international fireworks display competitions.

Rising satellite numbers pose increased risks of planes being hit by falling debris

Projections of more than 100,000 satellites in space by the 2030s—eight times the number in 2025—highlight a growing threat to aviation. Experts suggest the odds could reach seven in 10,000 annually by 2035, alongside higher risks to people on the ground.

As of 2025, CERN is the world's largest particle physics laboratory

Founded in 1954, the European Organization for Nuclear Research's laboratory is located near Geneva, Switzerland, and more than 10,000 scientists from more than 100 countries visit its facilities each year. Its largest tool is the Large Hadron Collider, a 27-kilometer-long tunnel that accelerates protons to near the speed of light.

From 1990 to 2020, wind turbine height and blade length have more than tripled

Wind turbines' energy generation capacity—or maximum power rating—also increased by 375% from 1998 to 2023. As of that year, wind turbines can produce more energy per dollar than solar panels, though transportation and installation challenges remain.

What missiles does North Korea have?

In recent years, North Korea has tested a variety of ballistic and cruise missiles as well as both submarine-launched missiles and hypersonic missiles, which can fly at low altitude (to escape radar detection) and at several times the speed of sound. Dive into this visualization by the BBC to break down what missiles North Korea currently has.

The 'Elephant's Foot' in Chernobyl is part of the largest documented mass of corium

The nuclear disaster produced around 200 tons of nuclear fuel that mixed with the surrounding melted reactor core materials. As of 2025, corium has been naturally formed four other times in history: once during the Three Mile Island accident and three times at the Fukushima Daiichi plant disaster.

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

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

11 people died from firework injuries in the US in 2024.

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

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

Poison ivy will likely become both larger and more resilient due to climate change.

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.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

Experimental hantavirus vaccines and therapies, still under development, have long been funded by the US military.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

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

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.

A pickleball's loud 'pop' sound can reach 120 decibels, which is equivalent to a hammer hitting a nail

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Brandi Chastain, the star of the 1999 US victory over China in the 1999 Women's World Cup, was a last-second choice to take the penalty kick that sealed the victory.

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

Bone marrow (soft tissue found inside certain bones) generates roughly 500 billion new blood cells each day

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.