What's inside an Oreo?

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 surprising science behind Pop Rocks

Have you ever wondered why Pop Rocks makes tiny explosions in your mouth? Well, there’s actually pressurized carbon dioxide bubbles trapped within the sugary candy. This 19-second video shows you what Pop Rocks look like under a microscope.

Watch an animation of what happens inside cookies as they bake in an oven

As temperatures rise and butter melts, trapped water expands, spreading the dough, which remains held together by a network of proteins. Maillard reactions produce browning on the surface beyond 310 degrees Fahrenheit (154 degrees Celsius), while caramelization can be triggered by baking past 356 degrees Fahrenheit (180 degrees Celsius).

Visualize how Coca-Cola's secret formula has changed over time

Coca-Cola contained small amounts of cocaine until the early 1900s—but that's not the only time Coca-Cola has altered its recipe over the years. For instance, Coca-Cola transitioned from cane sugar to high-fructose corn syrup in the 1980s.

‘Compound chocolate’ lacks cocoa butter, making Advent calendar candy taste different

One of the fun aspects of the contemporary Advent calendar, making them irresistible to children, are the numerous little chocolates often tucked inside little paper flaps, marking each day leading to Christmas. That chocolate tastes different because it’s likely made from inexpensive fats like palm kernel oil, not cocoa butter.

GMOs sound scary, but you eat them every day

Why are GMOs bad? They aren’t. We’ve been eating them for decades with no ill effects, which makes sense, because a genetically modified organism is simply an organism, like every other organism, produces hundreds of thousands of proteins, but one or two of them are proteins that were chosen specifically by humans. Watch this 11-minute video for more.

O-rings contain fluid within a system

These donut-shaped components, typically made of rubber, block the escape of liquids and gases in low-pressure systems by forming a seal when compressed within a groove. In high-pressure systems, the O-ring is forced into a gap, blocking any leakage.

The history and success of the mysterious Mars Inc.

Mars, Incorporated manufactures some of the world’s favorite treats, including M&M’s, Snickers, and Milky Way bars. Despite their success, you’ve probably not heard of them. The privately held company is largely unknown to the world despite being owned by the second-richest family in the US. This podcast discusses the mysterious Mars family and their remarkable entrepreneurial feat. Listen to uncover more.

Take a journey to the Earth's core

This animated video takes you on a journey through the different layers of the Earth's core, with insight into what makes up each shell. Earth's outer core, which is about 1,400 miles thick, is made up of liquid iron and nickel at a blistering...

A fast explainer on every Winter Olympic sport

Slalom, luge, skimo: The 16 sports at the Winter Olympics aren't the most familiar to everyday audiences. They can be divided into three categories: track, indoor, and outdoor. This video breaks down each sport's rules and quirks and the variations of its events in less than eight minutes.

Making the Oscar statuette is a thorough and involved process

From casting the molten metal into its iconic shape, to the electroplating process that gives Oscar his signature 24-carat golden glow, to assembling the finished product and engraving the winner's name, there's much more to this knight than meets the eye.

Explore what each organelle does within various types of cells

In "Cell Anatomy Viewer," users can explore interactive illustrations of animal, plant, fungal, and bacterial cells. Clicking on an organelle, such as a lysosome, the nucleolus, or the Golgi complex, provides descriptions of its characteristics and functions.

Explore OPEC’s official webpage

OPEC’s official website offers a comprehensive hub for its core work—featuring press releases, monthly and statistical reports, digital publications like the World Oil Outlook and Annual Statistical Bulletin, and other research center materials.

Roasting controls how your coffee will taste

James Hoffmann, winner of the 2007 World Barista Championship, is the best person to break down the importance of the roasting process. Arguably, along with where beans are grown, roasting is the most important variable in the flavor of your favorite drink.

Why this legally can't be called 'ice cream'

Dairy Queen doesn't technically sell 'ice cream' and it all comes down to milkfat. According to FDA rules, anything labeled 'ice cream' must have at least 10% milkfat. Dairy Queen’s soft serve only has 5%, which means it's legally in a different category.

How tea gets made

Tea is one of the most consumed beverages in the world, and this video walks us through the process of supplying it from farms to our mugs. Workers handpick leaves, ferment them, and dry them as part of this involved operation. Follow along for a scientific understanding of the many steps it takes to produce tea and appreciate the detail and effort to create its flavor, aroma, and color.

A smartphone contains over a dozen rare earth elements

One of the most important elements is indium, which makes up an electrically-conductive mesh beneath the display that provides touchscreen functionality. Alloys containing REEs are used in the magnets needed for the microphone and speaker.

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

Drugs 101: An interactive guide

What's the difference between opioids and psychedelics? This guide details specific drugs and their various associated effects. Drugs in this wheel fall into seven categories: stimulants, depressants, empathogens, psychedelics, dissociatives, cannabinoids, and opioids.

The life of a pistachio

Pistachios—which are actually a seed, not a nut—are a superfood with lots of great fat, fiber, antioxidants, and more, and is listed as a complete protein. Originally from the Middle East, the seed was imported to the US where California has become the leading grower in the world. Harvested once a year around October, the flavor is having a bit of a moment both for its taste and nutrition. Watch more here.

What animals live in the ocean?

The oceans host an incredible diversity of fascinating species. Oceana's Marine Life Encyclopedia beautifully presents facts and photos of ocean animals from Atlantic Cod to Zebra Sharks.

Eggshell color doesn't indicate taste or superiority

Brown, white, and blue eggs taste and cook identically. Despite popular notions that brown eggs are superior, the shell color reflects the genetics of the hen alone. What actually determines egg quality is freshness and the diet of the hen (where grass and leafy greens lead to denser yolks). And freshness can go both ways: older eggs peel more easily than fresh ones.

What is it like to be a bee?

Scientists have long known the intimate features of bee anatomy: six limbs, five eyes, lots of hair, a long, tasteless tube -like tongue, and wings that stroke close to 12,000 times a minute. But getting inside the mind or consciousness of a...

What was the typical dinner like for US soldiers during WWII?

This odd little nearly 20-minute video details the very excited narrator's unpacking of a 1943 package of K rations. Such meals would have been consumed by American soldiers during World War II. A fascinating look at what soldiers had to depend on for nourishment, made slightly harder to watch by showing the narrator eating 80-year-old biscuits and more.

What exactly is college for?

The rising cost of college has many of us wondering, what exactly is a college education for, anyways? This "Freakonomics" podcast episode breaks down how colleges operate like large businesses and try to differentiate their products from one another to win market share. To find out what the overwhelming higher education system is doing wrong (and what it gets right), listen here.

OSINT: How hackers find their marks

What is OSINT? How do hackers gather intel about targets? Just how much can they learn about you? Learn more as we dig in to the world of OSINT.

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.

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

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.

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

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

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

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

Read a deep dive on the 'all-purpose healing' peptide BPC-157.

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

Explore the known asteroids, comets, and spacecraft involved in asteroid studies within our solar system with 'Eyes on Asteroids,' a 3D visualization from NASA.

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

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

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 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.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Lesser-known phobias include turophobia, or the fear of cheese, and nomophobia, the fear of being without your cell phone.

Bone marrow (soft tissue found inside certain bones) generates roughly 500 billion new blood cells each day

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

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

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.

Ebola is a filovirus, meaning it resembles a thread under a microscope, though it sometimes twists and can resemble a bowl of spaghetti.

A pickleball's loud 'pop' sound can reach 120 decibels, which is equivalent to a hammer hitting a nail