Most Mardi Gras floats are constructed from foam and papier-mache

During COVID-19, New Orleanians turned their houses into floats

After the 2021 Mardi Gras parades were canceled, New Orleans resident Joy Boudreaux joked on social media that residents should turn their homes into floats. They followed suit and interested (socially distanced) revellers followed maps of participating homes.

New Orleans' Mardi Gras celebration is driven by autonomous 'krewes'

A city ordinance prohibits commercial advertising, and the parade has no central coordinator. Instead, its many activities are organized by individual "krewes"—private clubs of dues-paying members who construct and ride the parades' many colorful floats. The spelling is a faux Old English form of the word "crew," taken from the Mistick Krewe of Comus, who used the stylized language ironically.

Mardi Gras revelers on floats are required to wear masks

Masks are worn to encourage revellers to embrace their wild side without letting their identity get in the way. That's something New Orleans takes seriously: If you're riding on a Mardi Gras float, city law requires that you wear a mask.

Despite Hurricane Katrina, Mardi Gras moved forward in 2006

Although the city had been ravaged by the storm in August 2005 and many of its residents had still not returned by Carnival season in 2006, Mardi Gras celebrations still trudged on, with many krewes' floats and costumes satirizing the fallout from the disaster. Below is a picture by photographers Tyrone Turner and Susan Sterner of one attendee sporting a hazard fence dress.

Mardi Gras blends pagan celebrations with Christian traditions

The holiday has its roots in pagan celebrations, like ancient Rome's Saturnalian and Lupercalian festivals, which celebrated spring and fertility. Rather than abandoning these traditions, Catholic leaders in Rome incorporated their spirit into a celebration that would expel citizens' debauchery in preparation for the sacrifices they'd endure during the Lenten season. Around the world, this holiday season is called Carnival, though the New Orleans version is usually called Mardi Gras.

The first recorded American Mardi Gras was in Alabama

French explorers observed celebrations in what would become the United States in the late 1600s, but the first recognized modern American Mardi Gras took place in Mobile, Alabama, on New Year's Eve, running from 1830 into 1831. By 1840, the town had incorporated costumes, masks, and themes into its parade. After the Civil War, Mobile's Mardi Gras was moved to the more traditional date of Fat Tuesday. By 1850, a group from Mobile migrated to New Orleans, bringing the city's traditions with it.

Mardi Gras has an annual economic impact of nearly $900M

Tulane University's Toni Weiss studies Mardi Gras' effect on New Orleans. Her study of the 2023 parade found that the event generated approximately $891M for the local economy. Weiss also found that the money that the city spent about $10M on the parade (for security, sanitation, and more) but earned a net fiscal benefit of $28M.

Go behind the scenes at the Macy’s Parade Studio

With dozens of balloons and floats, and thousands of costumes, the Macy’s Thanksgiving Day Parade requires year-round planning to pull off. Go behind the scenes with the designers and builders who make the magic happen. See how the floats come together and what makes this annual spectacle a reality.

King cake is a classic Mardi Gras dessert

One of the signature foods of Mardi Gras is the king cake, a green, gold, and purple-sprinkled desert. Baked inside is a hidden figurine, though some bakers use other objects. Whoever gets the piece with the object is blessed with good luck, though they're also expected to bring a cake to the next gathering.

Optical illusions were a key component in animating the Muppets

Despite being fairly typical puppets, Jim Henson's Muppets often ventured out into the real world without any apparent humans controlling them. That's thanks to several ingenious optical illusions devised by Henson and his partners, including well-placed mirrors, platformed sets, and remote-controlled puppeting.

Fire engines are among the most complex vehicles on the road

These vehicles are purpose-built to carry water, foam, hoses, ladders, and lifesaving equipment to a scene in minutes. This animated video pulls apart every system inside a pumper truck, showing exactly how the machinery that fights fires actually works.

The artwork at Burning Man is impressive and transient

Huge sculptures, mutant vehicles, concert stages, the Man, and other spectacles created at Burning Man each year are often destroyed by the end of the event. If they aren't burned, they'll often be repurposed or trashed.

The Maya built their cities with advanced engineering

Maya cities featured pyramids, palaces, causeways, ball courts, and water-management systems that were engineered to support large populations—often tens of thousands—without the use of metal tools, draft animals, or wheeled transport.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

The Times Square New Year's ball has been redesigned 8 times

The first iteration was made of iron and wood, weighing in at 700 pounds. The 2025 version is made of 5,280 crystals and 32,256 LED lights and weighs a whopping 12,350 pounds.

Why Le Corbusier called a house a 'machine for living'

Modernist architects aimed to boil design down to its essence, stripping ornamentation and frivolity. One of the most famous designers of that movement was Le Corbusier, who famously called a house a "machine for living in." This resource breaks down Le Corbusier's architectural theory and highlights where it can still be found today.

How Faber-Castell makes pencils

One of the world's oldest industrial companies, Faber-Castell produces over 2 billion pencils a year, among many other staple products. In this quick video, watch the company's well-tried process for manufacturing the essential utensil, from mixing the graphite and clay to milling the wood of the pencils.

A collection of molecular gastronomy techniques, from flavored air to turning oils into powder

Soy lecithin can be blended with flavored mixtures, such as herbs and Parmesan, to produce edible bubbles, which can be frozen into a solid foam. Maltodextrin can be combined with liquid fats in a food processor to create light, flavorful powders.

The anatomy of 'Mashle,' as described by a doctor

"Mashle: Magic and Muscles" is a manga and anime in which a seemingly magicless man performs outsized feats he blames on "muscle magic." In this 15-minute video, a doctor breaks down the anatomy and biomechanics of some of the feats performed by Mash, the series' main character who's spotted flying a broom via leg pumping and reading magical texts while sitting in an invisible chair (i.e., single-leg squat).

The animatronic shark from 'Jaws' was a complex machine called 'Bruce'

Affectionately named after Spielberg's lawyer, the elaborate underwater apparatus used to portray the shark in the film was constructed by Robert A. Mattey. He had previously constructed a giant squid for "20,000 Leagues Under the Sea," a film Spielberg loved as a child.

Components of the 'ghost gun' allegedly used by Luigi Mangione were 3D printed

Although some "ghost guns" are firearms whose serial numbers have been removed, many others are built from pieces that can be printed using readily available online data files. Federal laws and some states do not prohibit the construction of these DIY firearms for personal use.

The most fireworks launched from a pyrotechnics suit is 642

Frenchman Laurent Nat, a pyrotechnics artist and performer with over 10 years of experience, set the world record on June 13, 2014. The suit, inspired by clothes worn by professional firefighters, is made out of 100% cotton and incorporates stilts to allow fireworks to be fired in all directions.

See shots of the Wright Flyer intact at the National Air and Space Museum

Since the museum’s opening in 1976, the wood-and-muslin plane has been available for public viewing with a model of Orville, the younger brother, lying on the plane’s mid-section.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

Mister Softee started as two brothers in a Chevy van

The company began on St. Patrick's Day in 1956, when James and William Conway made their way across Philadelphia, selling green-hued ice cream. They weren't the first to sell ice cream from a truck, but they perfected it—thanks to the know-how they acquired working for the Sweden Freezer Manufacturing Company.

How Disney World keeps out mosquitos

Disney World may have been built on a swamp, but it's nearly free from the annoyance of mosquitos. That hasn't been an easy task; Disney has worked with engineers and pest specialists on minimizing the invasive bugs through a variety of different methods. This Reader's Digest article breaks down how they've successfully kept the park free from these unwanted guests.

Money 'mules' don't always know they are laundering money

Money mules are anyone who receives money in a laundering scheme and then sends it forward, either to another company or to a financial institution. While some money mules—often called smurfs—actually work with criminals laundering money, getting someone to receive and then send money has become a popular scam.

The animatronic shark from Steven Spielberg's 'Jaws,' the first modern blockbuster, was a complex underwater apparatus called 'Bruce.'

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

In 1945, Surrealist artist Salvador Dalí and legendary animator Walt Disney began collaborating on a short film that was not completed until 2003, years after both men had died.

Watch how deep-sea mining equipment collects and processes polymetallic nodules—metal-rich, potato-shaped rocks—from the ocean floor and creates environmentally damaging plumes of sediments.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

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.

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

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Planarian flatworms are small, aquatic worms with exceptional regenerative capabilities. When cut, the worms can regenerate multiple bodies in a matter of weeks.

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

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.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

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

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

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

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