The US war on drugs, explained

Watch the craziest ways cartels traffic drugs

The war on drugs has forced cartels to be increasingly creative when it comes to smuggling drugs. As police develop methods to catch smugglers, drug traffickers come up with new ways to get their products from producer to seller to buyer. This cycle...

How drug trafficking undermines West Africa

The rise of drug trafficking is undermining institutions, public health, and development efforts in West Africa. According to the West African Commission on Drugs, civil wars have receded, democracy has gained ground, and economies are growing in...

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...

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.

Learn about the US opioid crisis in this free course

Where did the US opioid crisis come from, and how did it spread? Learn this and more in this free, online Harvard University course. Learn about the disease model of addiction treatment and management, and get up-to-date with public health and law enforcement's current harm reduction practices. This free resource gives users a greater understanding of opioid addiction and the epidemic still haunting the US.

A podcast uncovering drug killings in the Philippines

This podcast investigates how many people have been killed in the Philippines since its War on Drugs began. In 2016, Rodrigo Duterte became the President of the Philippines, framing drugs as an existential threat and the root of all crime, saying...

The DEA enforces federal drug laws under the Department of Justice

Established in 1973, the Drug Enforcement Administration directs federal efforts to fight illegal drug trafficking, oversee controlled substances, and dismantle large narcotics networks both within the United States and internationally.

The negative effects of cannabis use

After decades of criminalization, cannabis is a legalized drug in an increasing number of countries around the world. This allows for accurate, robust research on the drug's effects on humans . While weed isn't as harmful as alcohol, regular usage has its negative effects. As strains of the drug become stronger, so does its consequences. Watch this video for a lucid look at the effects of cannabis on its users.

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...

A trade war is an economic conflict where nations impose tariffs or other trade barriers on each other in retaliation for similar actions

The US-China trade war is one example. While they aim to protect domestic industries, they can lead to higher prices for consumers and strained international relations.

Countries tried to curb plastic waste, but the US keeps shipping more

Data show that American exporters continue to ship plastic waste overseas, often to poorer countries, even though most of the world has agreed to not accept it.

How a single company hooked the world on herbicides

How harmful are today’s herbicides for us humans, and for the environments they’re seeping into? And do we really need weedkillers to feed the world?

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.

How Western psychedelics research fell to the wayside

Psychedelics' modern era began when LSD was discovered in the 1930s. By the 1950s, clinical trials were underway. US user experimentation outside of medical settings (and high-profile violence, like the Manson murders) inspired negative attitudes toward psychedelics, leading to use restrictions that prohibited companies from patenting psychedelic compounds. This strangled psychedelics' profitability until the 1990s when the government loosened its grip and psychedelics research began seeing a resurgence.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

How much did WWII cost?

Though it lasted fewer than four years, World War II was the most expensive war in United States history, according to this infographic. Read through it to see how much WWII cost and learn about the consequences of financing such an expensive conflict.

Fracking has led to an increased global oil supply, contributing to lower oil prices

Fracking technology has significantly increased how much crude oil the US produces. As more countries adopt fracking technology, there could be an increased downward pressure on prices—although fracking has been widely criticized for its negative environmental impacts.

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.

The US has carried debt since 1791

After the Revolutionary War, the US owed $75M to nations like France. Debt builds when spending exceeds revenue, funding programs, wars, and economic recovery efforts. Most debt is domestic, like Social Security bonds, with foreign nations also holding a share.

The US intervened in Latin America to block communist influence during the Cold War

Fearing Soviet expansion, the US intervened across Latin America by backing coups, funding right-wing regimes, and supporting anti-communist militias—most notably in Cuba, Chile, Nicaragua and Guatemala.

Anti-money laundering laws forcing banks to report data have become important foreign policy tools

Since the Bank Secrecy Act of 1970, which required banks to report transactions exceeding $10K and keep records on customers, anti-money laundering laws have become an important proxy for American foreign policy initiatives. Increased regulation via financial institutions helps curb drug and human trafficking, as well as destabilize the financial infrastructure for terrorist organizations.

The potential for weight loss drugs to transform the economy

In 2023, Americans spent more than $50B on weight loss drugs, a number expected to triple by the end of the decade. However, because of the wide range of obesity-linked health issues, widespread adoption of the treatments could transform the wider economy.

What's the role of forced prison labor in a land where slavery is illegal?

Companies across the South profited off the forced labor of people in prison after the Civil War. This hourlong investigative podcast episode explores the role forced (and often unpaid) prison labor has played in the US since slavery was abolished.

Drug-resistant infections worldwide have increased by about 65% since 2000

Since 1990, antibiotic resistance has claimed at least one million lives annually and is projected to account for 39 million deaths between now and 2050 if current trends continue. The expanded use of antibiotics, particularly in agriculture, combined with a slowing pipeline of new drugs has led to the crisis.

How a 2025 Netflix documentary reveals the contested view of the Vietnam War

Brian Knappenberger created a five-part, seven-hour documentary on the war released on the streamer in 2025, the latest in a tradition of hundreds of documentaries covering the event. Expert Thomas Bass, the author of the essay, was invited to be interviewed for the documentary, arguing the conflict's origins are the most crucial aspects to understand. In turn, Bass interviewed Knappenberger—whose father fought in the war—on the Netflix production. Their discussion revealed how streamers mediate historical understanding to a generation that does not have a consensus on what the Vietnam War was.

Explore why Americans are drinking less alcohol

US alcohol consumption fell 5% in 2025, with beer and wine leading the decline. Economists point to tighter budgets and less face-to-face socializing overall, while younger Americans are increasingly choosing not to drink.

Accessing the dark web is legal in the US, the EU, and most countries worldwide

As long as users do not pay for illegal goods or services or acquire illegal content, they cannot be prosecuted. Those on the dark web include academics, researchers, and cybersecurity experts gathering threat intelligence on cybercriminals, cyberterrorists, and state actors, as well as protesters, activists, and grassroots organizers.

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

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

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.

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

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

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

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

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

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

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

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

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

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.

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.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

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

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

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

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.