The men’s underwear index predicts recessions based on men’s underwear sales

The lipstick index is just one niche so-called 'recession indicator'

When consumers think an economic downturn is looming, the "lipstick index" economic theory argues that sales of more affordable luxury items (such as lipstick) go up. Other weird alleged recession indicators include Former Federal Reserve Chair Alan Greenspan's suggestion that men's underwear sales could help predict an economic downturn.

Experts don’t believe upbeat tunes, called ‘recession pop,’ are legitimate recession indicators

Social media users have begun deeming pop music by the likes of Kesha and Katy Perry a “recession indicator” as they try to predict the next economic downturn.

An inverted yield curve has preceded every recession that’s occurred in the last 50 years

Prolonged yield curve inversions can predict recessions, but even brief inversions can cause investors to react with knee-jerk reactions.

The Sahm rule attempts to predict recessions based on unemployment trends

The US is in a recession when the average US unemployment rate over three months rises by half a percentage point from a 12-month low, according to the Sahm rule.

Recessions are often called retroactively, rather than while they’re occurring

Because recessions are recognized when a wide array of economic factors like falling GDP and high unemployment converge, they are often officially recognized after the fact.

Why there's a snack recession

Inflation and economic uncertainty have driven many Americans to make cuts to their snack budgets, according to reports from major food manufacturers like General Mills, JM Smucker, and Campbell's. Major retailers have also observed lower-income consumers cutting back on nonessentials due to the macroeconomic environment.

North American department store retail groups report sales declined from 2018 to 2023

That's according to a recent report from Bain & Company that dives into consumer sentiment around department store shopping and explores a potential reset for the industry.

The hidden effects of March Madness

March Madness isn’t just a major sporting event—it’s also peak season for vasectomies. Urologists report a 50% increase during the tournament, as patients use recovery time as an excuse to watch nonstop basketball. Meanwhile, workplace distractions from bracket pools and game streaming are estimated to cost US businesses $17 billion.

COVID-19's shock to employment rates sparked some economists to fear deflation

COVID-19 simultaneously disrupted the supply chain and the labor market. Since the unemployment rate had hit record highs, some economists were worried that the supply chain would recover before the labor market. If that had happened, businesses would have been producing goods, but no one would have been able to buy them because they wouldn't have the disposable income to do so.

An updated, comprehensive tracker of global inflation

This tracker provides a visual narrative of inflation rates, central bank policies, consumer price breakouts, and more from nations across the globe.

Scientists seeking gut insights are attaching flatulence sensors to volunteers' underwear

This fart-tracking device detects gas generated in the gut, providing insights about gut microbial activity. The underwear sensors measure a component of what is technically called flatus—digestive system gas.

Euphoric narratives are just one indicator of an economic bubble

A conversation with investor Jeremy Grantham outlines the indicators he watches for bubbles, including extreme valuations. He then compares those signals to today’s AI boom, arguing it shows several early signs of classic speculative excess.

View the countries with the most internet users, including 94% of those in high-income nations

As of 2025, the four most populous nations—China, India, the US, and Indonesia—are also the ones with the most internet users, collectively accounting for almost half of the 6.04 billion internet users worldwide. This suggests that population size, rather than adoption rate, is a better predictor of online activity.

Google Search trends reveal truths about society that traditional surveys miss

Studies of human behavior show that survey respondents may lie to present themselves more favorably. By studying anonymous search data, researchers have uncovered hidden racism, mental health struggles, and interest in taboo or stigmatized topics.

Housing 'starts'— new constructions—signal the health and future of real estate

The Federal Reserve Economic Data, or FRED, tracks monthly “housing starts,” the number of new residential construction projects being built. Some argue this data can serve as an economic barometer.

See a real-time list of the most shorted stocks in the US

Every two weeks, the Nasdaq and New York Stock Exchange release the stocks with the most short positions. Some of the companies with the highest short positions as of early 2026 were Hims & Hers and Groupon.

Modern prediction markets started in Iowa in 1988

The University of Iowa's Iowa Electronic Markets were introduced during the 1988 US presidential election. The beginning of their origin story almost sounds like a joke: Three economists walked into a bar.

Privacy advocates warn menstrual cycle apps could put women at legal risk in certain states

Smartphone apps that women may use to track their menstrual cycle and identify times of peak ovulation are not covered by data privacy laws. Included data could potentially be used against women during prosecution in states with abortion restrictions.

Venture capitalists were once bullish on DTC brands

While a physical store can only hold so many objects, online retailers without the limits of four walls that could sell their products direct-to-consumer could theoretically be great investments. But they didn’t always provide investors with expected returns.

Hear a finance professor answer questions about investing

From stocks and index funds to gold, a business professor at Duke University answers questions from the internet about investing.

Why Men's Legs Were Everything

From codpieces to cotton hose, here's the surprisingly loaded history of men's legs, and why 18th-century Europe couldn't stop staring at them.

Spikes in pizza orders near US government buildings are thought to be signs of international crises

Theorists have long believed that sudden increases in pizza deliveries near the Pentagon signal a major event is about to occur. Historical examples include the CIA ordering 21 pizzas the day before the beginning of the Gulf War, and another surge of deliveries before former President Bill Clinton's impeachment hearings. Citizens have since begun monitoring food orders in the area. See a tracker of Pentagon pizza orders here.

BNPL may be adding a layer of debt that doesn't show up in economic data

Given somewhat limited regulation in the BNPL space, data about its usage is limited—many BNPL firms have resisted sharing information about user purchases, finances, and more thus far. As more people begin using buy now, pay later services, experts are concerned about whether BNPL is adding a new layer of "hidden leverage" to the economy.

The 1980s brought luxury items into the bathroom

Companies produced items like waterproof radios and targeted them at people under 30, marketing the devices as hip ways to stay clean.

Pop Mart is the company behind the viral Labubu toy craze

Labubus, the Chinese collectible toys, are being heralded as the next Beanie Babies. Pop Mart, the company behind the Labubus, is using a few psychological tools to keep the Labubu economy booming.

A century of Billboard issues documenting the evolution of popular music.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

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

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

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.

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

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.

Use this calculator to find the dollar value of your mental load, from meal planning to coordinating after-school care for your children.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

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

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

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

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

El Niño, Spanish for 'the boy,' was named after Jesus Christ because the phenomenon resembled the weather changes observed around Christmastime.

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

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Radioactive elements can introduce software errors because the ionizing radiation they produce can detach electrons from atoms, and computer code relies on the distribution of electrons.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

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.

The 2026 Ebola outbreak in the DRC is spurring new Ebola vaccine development for the Bundibugyo species.