Funazushi takes 3 years to prepare

Sushi apprenticeships often last for at least 10 years

Sushi is often treated as a precise art form, with master chefs taking on apprentices who must slowly earn the responsibility of preparing the food. In the video below, Oona Tempest, an apprentice at Tanoshi Sushi NYC, explains what the years-long process entails.

Watch a Japanese chef demonstrate how he prepares sushi

Tokyo's Naomichi Yasuda shows how he cuts tuna, wraps a maki roll, and assembles nigiri. In the process, he explains the proper way to enjoy the creations, offering advice for getting the most flavor.

Chef Hanaya Yohei invented modern sushi in the early 1820s

The enterprising chef created nigiri sushi—fresh fish placed on top of vinegared rice balls that are then hand-molded together—as a way to quickly serve fish to busy Edo workers who could take their food to-go.

The fish in sushi is usually frozen to eliminate parasites

Most raw fish contain parasites, but sushi restaurants and fish markets use “super freezers” to make the food safe for consumption. The United States Food and Drug Administration warns that frozen raw seafood can still contain parasites, depending on the type of fish and the conditions of the “super freezer.”

Bluefin tuna, now used in high-end sushi, was once reserved for cat food

Until the ‘70s, the enormous fish were the base for cat food or, at times, thrown into the trash. Now it’s the most expensive fish in the ocean and is a popular topping for nigiri sushi thanks to the abundance of fat in its belly.

The sushi burrito hails from San Francisco

Inventor Peter Yen wanted to combine sushi-making techniques with Latin flavors, so he founded Sushirrito, which specializes in burrito-sized sushi rolls with Mexican-inspired fillings like ginger guacamole.

An affineur is the person in charge of aging cheese to perfection

Their duties can include washing the rind with a salt solution, monitoring mold growth, adding herbs, and more. An affineur can take care of their cheeses from anywhere between a few months to several years.

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

In Japan, elders lead toasts

Older family members and colleagues, or senpai, are expected to take the lead at formal gatherings, pouring drinks and offering toasts. Younger people should accept pours by holding their glasses with both hands and waiting to drink until their older adults have done so. Finally, before drinking, participants should say “kampai!”

Candymaker Haribo focuses on gummies to simplify production

Focusing on a specific kind of candy gives the company expertise on texture, ingredients, factory processes, and more. The company's decentralized production allows for regional specification.

Japanese scientists develop an eco-friendly plastic that dissolves in saltwater

The strong and flexible plastic is made from molecules held together by saltwater-sensitive chemical bonds. The components left after the plastic breaks down within hours contain phosphorus and nitrogen, allowing them to serve as soil fertilizer.

'Neapolitan pizza' is a highly specific (and tightly regulated) distinction

The Associazione Verace Pizza Napoletana claims to protect the tradition of Naples' pizzamaking and has codified precise requirements for what constitutes a "Neapolitan pizza," specifying ingredients, preparation, fermentation, condiments, and more.

What to eat for suhoor, the pre-dawn mean that has to last all day

Suhoor—eaten before the Fajr prayer at dawn—is the only fuel a fasting Muslim has until sunset. This practical guide covers the logistics around what foods sustain energy longest, what to avoid, and why hydration strategy matters as much as what you eat.

Japan's wrestling style is called puroresu

Puroresu has a long history in Japan, much of it traced back to Mitsuhiro Momota, better known as Rikidozan, who was the form’s first superstar and a hero to the country in the wake of World War II.

Why no aquarium has a great white shark

Historically, great white sharks die very quickly in captivity—with the exception of the Monterey Bay Aquarium's successful attempt in 2004. The aquarium held a four-year-old great white for six months. Before that, the longest stint was 16 days. The creatures can only breathe if they are moving forward, making survival difficult in a small tank.

Small wooden tail fins modified torpedoes to operate in the harbor's shallow water

Japan's existing Type 91 torpedoes weighed two tons and slammed into the water at 200 mph, diving 150 feet before rising again. Pearl Harbor was only 40 feet deep, requiring engineers to modify the existing torpedoes for the attack.

Cheese is a less-well-known Hanukkah culinary tradition

It comes from a story of Judith, a widow whose hometown of Bethulia in Israel was seized by the Assyrian king Nebuchadnezzar. In some iterations, Judith brought the king's general, Holofernes, an array of salty snacks, including cheese, leading him to drink enough wine to pass out. Judith then beheaded Holofernes, inspiring the Israelites to attack and win the battle.

Dozens of US research projects focus on the zebrafish's ability to grow new retina cells

The small, striped minnow can repair its optic nerve in just under a week. Scientists are interested in hacking its regenerative capacity to grow new retina cells to treat human eye disorders, including macular degeneration. In 2020, the US National Eye Institute had nearly 80 projects focused on zebrafish.

The federal budget process begins nearly a year before funds are spent

Creating the federal budget starts months in advance. This resource explains each stage, showing how the president proposes priorities, Congress reshapes and approves funding, and federal agencies implement the final budget.

Read about a dating simulation game that helps prepare your income taxes

For the 2022 tax year, prank-playing creative studio MSCHF created a dating simulation game that helped taxpayers prepare their income taxes. In "Tax Heaven 3000," players interact with anime love interest Iris (it's like IRS), and run through a series of questions that complete their taxes. Iris also warns the player to stay away from tax-preparation companies like TurboTax.

Gonzo Journalism places the author at the center of the events

Some may describe Gonzo as a more daring style of subjective reporting than New Journalism, as it prioritizes the personal experience and opinions of the writer. Gonzo pieces also tend to feature hyperbole, comedy and taboo subjects.

What is freezing fog?

Freezing fog is a weather condition in which fog containing supercooled water freezes on contact with objects, forming a layer of ice and possibly dangerous driving conditions. Get the breakdown with this explainer.

Famicom was the predecessor to the NES

Before the Nintendo Entertainment System was released in the US, Nintendo released a similar console in Japan with some interesting differences, including a Delorean-like exterior and a built-in microphone for karaoke.

Zero-coupon bonds have no regular interest dates over the length of the loan

Instead, they pay all the interest at once when the bond hits its maturity date. These bonds aren’t the right investment for everyone, but they do carry some pros, like a lower initial investment cost.

Mummification involves drying a body to preserve it long-term

It was a common and respected practice in many ancient societies. The Egyptians perfected the ritual as part of their religious views of death, believing the dead needed to remain physically intact to reach the afterlife. Mummies were common also in ancient China, Mesoamerica, and the Canary Islands.

Prosecco—Italy's sparkling wine—is produced using the tank method

Italy’s best-known sparkling wine, Prosecco, has many similarities to Champagne. However, Prosecco performs its secondary fermentation in a different manner. Rather than taking place in the bottle using the French method, fermentation of Prosecco takes place in large, pressurized steel tanks, making it easier to produce on a large scale. The technique results in light, fresh flavors and plenty of bubbles.

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

Coral reefs get their colors from zooxanthellae—microorganisms that line corals' digestive tracts and provide them with sugars in exchange for a home within this protective tissue.

Waves off the coast of Nazaré, Portugal, can reach over 100 feet and are caused by the area's deep underwater canyon geography

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.

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.

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

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Human-to-human transmission of hantavirus remains extremely rare, so the 2026 hantavirus cruise ship outbreak doesn't mean we're facing a COVID-style pandemic risk.

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.

Poison ivy is in the same family as mangoes, cashews, and pistachios—and they all produce oily urushiol in their raw, unprocessed state—but they are typically prepared in ways to avoid causing human discomfort.

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.

Against his wishes, Albert Einstein's brain was removed before his cremation, and the pathologist responsible stored it for decades in mason jars within a beer cooler.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

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

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

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

After her fellow cult members tried to kill her with an LSD-infused hamburger, one member of the Manson Family, the murderous cult led by Charles Manson, decided to testify against the group's leader.

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

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

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

Explore the archaeological treasures of Pompeii, the city buried under volcanic ash when Mount Vesuvius erupted in 79 CE.

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

The syncytiotrophoblast is the outer layer of the placenta and the largest human cell, spanning an area about twice that of a king-sized bedsheet.