An interactive investigation into drugs and migration in San Francisco

How America's cocaine habit fueled its migrant crisis

The United States has been facing a migration crisis along its southern border. Thousands of people have been fleeing their homes in Central America, traveling north through Mexico, and claiming asylum in the USA. Much of this crisis can be traced...

An eye-opening interactive journey into the global drug trade

POPPY Interactive reveals how drug money destabilizes entire countries, fuels global conflicts, and allows a worldwide illegal economy to grow. Navigating the site involves diving into three major routes—the Northern Route, the Balkan Route, and...

A video showing how drug dealing really works

What motivates people to sell drugs? The “News on Drugs” series asks how people get drawn into the drug trade, unpacking the different goals and aims involved in dealing drugs. While there is a lot of focus on cartels, traffickers, and gangs...

A podcast about Honduras' narco-Presidente

The former President of Honduras, Juan Orlando Hernandez, was once a US ally in the war on drugs, but he now stands accused of overseeing a narco-state. Hernandez served as Honduran president for eight years, once considered one of the United...

An overview of drugs, crime, and cartels in Mexico

In 2006, the Mexican government launched a war on the drug cartels. The cartels and the drug trade fuel rampant corruption and violence in Mexico, contributing to tens of thousands of homicides in the country each year. Mexican drug cartels are also...

Investigating 'the city that kills women'

For nearly three decades, thousands of women have disappeared near Ciudad Juarez, Mexico. Some were mutilated in ways that led authorities to suggest it the work of a serial killer, some were trafficked into slavery, and others have never been found. Opening with a hail of bullets, this 10-part podcast series hopes to uncover those responsible for the femicides.

Fast, cheap, and deadly: How fentanyl replaced heroin and hooked America

This interactive article details how fentanyl has largely replaced heroin in the drug trade, with fatal results. Fentanyl was first developed in 1959 as an anesthetic for pain relief, but the drug took hold in the US black market in 2014 and has since exploded in the intervening decade.

'The Chinatown Sting': Unraveling an international drug smuggling ring

In the late 1980s, a group of women connected through the mahjong parlors in Manhattan’s Chinatown were caught in a massive undercover drug bust. But this bust was just the beginning of an even bigger case.

Track the changes in US immigration law throughout history

This interactive timeline tracks the development of US immigration law, overlaid with time-series data on percentages of the foreign-born population. Explore how each major policy development correlated with immigration levels, revealing the relationship between legislation and demographic change.

Poems and stories inscribed on the walls of a US immigration island

What Ellis Island was to the East Coast, Angel Island was to the West. Just off the coast of San Francisco, this processing center became a detention center for those targeted by exclusionary immigration laws. Click here to read some of the stories left by the detained.

Vintage 1980s photos of the streets of San Francisco

In the early 1980s, San Francisco was changing amid increased diversity and a nascent tech boom. This series of photos from 1981 and 1982 was found of the evolving city, depicting trolleys, doorsteps, storefronts, and more from a time very different from today. Explore the vintage shots here.

Mapping the known ports involved in the trans-Atlantic slave trade

Based on historical logs, this interactive maps shows info from various ports of departure and arrival during the height of the trans-Atlantic slave trade.

A story of upward mobility

What role did the neighborhood you grew up in have in shaping your economic opportunities? Author Aaron Williams tells a data story about migration, community, and returning to your roots.

An interactive documentary exploring violence in the Central African Republic

This photographic and audio documentary explores a decade of violence in the Central African Republic. In March 2013, rebel groups in the north of the country united to form Seleka, which went on to take power of CAR’s capital. Waves of violence...

The crypto city home to biohacking experiments

The DIY nature of biohacking gives the work an entrepreneurial feel, as seen by the emergence of community labs, at-home testing kits, and corporation-backed cities that don't necessarily require government-approved testing standards. Próspera, Honduras, created by a business of the same (first) name, was born from legislation that allowed international businesses to shave off a slice of the country to establish their own micronations.

Health and population surveys from 90 countries

The Demographic and Health Surveys (DHS) Program collects, analyzes, and disseminates data on population, health, HIV, and nutrition. The site compiles data through more than 400 surveys in over 90 countries around the world. Explore demographic...

The amount of plastic chemicals in 300 everyday Bay Area foods

Food production is more complicated than it appears, and manufacturing, packaging, and shipping processes can add significant substances to your food. This massive project compiled data on 300 samples of foods delivered to the San Francisco area, testing for the presence of 18 different kind of plastic. Learn how to read the data here with its helpful guides and then explore the table yourself.

How scientists know invasive nutria were likely introduced to California by humans

Although native to South America, DNA testing of the semiaquatic rodents showed they are closely related to a population in Oregon, suggesting they were deliberately transported into the state. First identified in the San Joaquin Valley in 2017, the distance, terrain, and lack of nutria between the two regions has allowed researchers to rule out natural migration.

Veterans reported single dose of ibogaine improved TBI, PTSD, anxiety, and depression

Research published in 2024 on the Central African plant-derived drug included 30 male combat vets who received ibogaine treatment in Mexico. It reported significant reductions in multiple mental health conditions and no serious side effects. Other work, however, has shown the substance can cause fatal cardiac arrhythmias, killing at least 19 people between 1990 and 2008. (Some users may encounter a paywall.)

Some tourist hotspots are shunning tourists

Locals in Barcelona sprayed tourists with water guns while protestors in Mexico City demanded politicians work against gentrification. Despite the economic boost tourism provides, protestors believe tourism has contributed to housing shortages and rising costs.

Climate change is influencing the spread of disease

Rising temperatures and water levels are forcing animals and pathogens beyond their typical boundaries. This article and its data visualizations explore the proliferation of climate-driven diseases.

Some police departments in California have officers specialized in hive crime

The cost of a beehive climbed from about $35 in the early 2010s to $200 as of 2020, which has incentivized some to steal hives at night. These kidnappings led to the creation of dedicated task forces in the state, whose almond farms have created an extraordinary demand for pollinators.

Kalshi is the first regulated prediction market in the US

Two migrant MIT students, Luana Lara Lopes and Tarek Mansour, shared an interest in hedging against uncertainty—from election outcomes to the Oscar awards. They fought hard for regulatory approval and their company now has a valuation in the billions. The platform has brought prediction markets into the mainstream.

More than $2.6B has been laundered through US real estate in the past 20 years

All cash real estate transactions don't require extensive background and identity checks, creating a loophole for criminals who would otherwise be flagged for suspicious behavior to clean large amounts of money with one purchase. Real estate prices are easily manipulated and can be used to generate more income by renting the space, making it an attractive and common tool for money laundering.

This Texas city is having an 'amputation crisis'

Texas has some of the highest rates of diabetes-related amputations in the country. Towering over the rest of the Longhorn state is the city of San Antonio, where men are nearly three times as likely to lose a limb to diabetes than women. This article explains how men in this majority Mexican American city are genetically and culturally at risk of Type 2 diabetes, a disease involving issues with the blood sugar-regulating hormone insulin.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

An investigation suggests a Scottish island became awash in forever chemicals via seafoam and seaspray—raising questions about what that means for the safety of other coastal areas.

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

See how Ebola tore through Guinea, Sierra Leone, and Liberia in 2014-2016.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

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.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

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

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

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

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Visualize how CRISPR-Cas9—a type of immune system used by single-celled organisms to attack invasive viruses—targets and makes precise changes to a gene's DNA.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.

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

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

Play the role of a student in a game where you try to navigate college and remain debt-free, selecting different income levels, high school experience, race, ethnicity, and more.