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Britannica Explains

July was named after Julius Caesar. Salad, anyone?

Who invented the Caesar salad?

Bastille Day: "Vive le 14 juillet!"

What does Bastille Day celebrate?

What does Bastille Day celebrate?

The true story of Napoleon Bonaparte

The true story of Napoleon Bonaparte

Did Marie-Antoinette say “Let them eat cake”?

Did Marie-Antoinette say “Let them eat cake”?

What happened during the Reign of Terror?

What happened during the Reign of Terror?

Beating the Heat

How do tornadoes form?

How do tornadoes form?

Satellite image of a large hurricane with a defined eye over the Gulf of Mexico, approaching the U.S. Gulf Coast.

What is a hurricane?

What's the difference between weather and climate?

What's the difference between weather and climate?

What causes the seasons?

What causes the seasons?

A large window looking at a forested exterior, four hand-drawn blue raindrops, and a hand holding a phone displaying a pie chart showing a 60% chance of partly cloudy skies, and a 40% chance of rain.

What does “percentage of rain” actually mean?

New on Britannica

Pixelated window with the text "TSUNAMI OR WAVE?" and a large cursor overlaying a background of a large wave hitting the coast.

How is a tsunami different from a regular wave?

A vintage encyclopedia page shows small type and scientific illustrations. The question "What was Enlightenment" is written in old-fashioned blue lettering.

What was Enlightenment? Explaining the Age of Reason

Deafblind activist Helen Keller touches a plane labeled "The Helen Keller" with a graphic overlay of a plane and dashed travel path.

How did Helen Keller fly a plane?

Illustration of two colonial men examining a tree with the word "CROATOAN" carved into it, with an inset showing a close-up of the carving.

What happened to the lost colony of Roanoke?

Two people in suits with their heads replaced by scoops of ice cream against a striped background and a red flag labeled "VOTE!".

How is ranked-choice voting different from single choice?

A dolphin on a background of graph paper, with a blue line chart trending downwards and four types of fish surrounding it.

How do zoos feed their hungry dolphins?

Color illustrations of three women from the 18th century set against a white paper background, including a Black woman in a blue dress and white bonnet, a white woman loading a cannon, and a white woman holding a rifle. The text "daughters of the revolution" appears in capital letters.

What were the roles of women in the American Revolution?

Image shows a sketch of the Earth on graph paper with a photo of the Earth in the background. Blue arrows point to the sketch and the word "FAKE?" appears above in red letters.

Earth is round, but flat-earthers still exist

Two distressed people sit amid ruins; behind them is a partitioned, color-coded map of India overlaid on destroyed urban buildings.

What is the history of the India-Pakistan conflict?

Gloved hand holds a vial with penguin feces; two Magellanic penguins look on from the right, with emphasis marks on the sample.

How penguin poop can lead to conservation

A photo of Joy Harjo, a woman with long dark hair, framed by a stylized border with a wood grain and light streaks.

U.S. poet laureate Joy Harjo reads “Perhaps the World Ends Here”

A piña colada, a bottle of brown liquor, a full shot glass, a cocktail in a coupe glass, and a bottle of gin sit on a bar. A sign labeled Britannica Bar hangs above them.

What makes these alcoholic spirits different?

Original Series

B-Money Smart

Want to become a smarter investor, saver, and spender? Britannica Money breaks down the complex world of finance.

Series thumbnail for Britannica Classics videos.

Britannica Classics

Check out these retro videos from Encyclopedia Britannica’s archives.

A lilac British cat looking up. The cat opened his mouth with a mad look. The concept of an animal that is surprised or amazed.

#WTFact Videos

In #WTFact Britannica shares some of the most bizarre facts we can find.

Behind the Zodiac

What’s really written in the stars?

Time running, deadline, life time or business milestone concept, closed up vintage pocket watch or clock on book in vintage tone

This Time in History

In these videos, find out what happened this month (or any month!) in history.

Demystified

Science, art, history, and culture—demystified.

Series thumbnail for Britannica Explains video series.

Britannica Explains

Whatever your question, Britannica has the answer.

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Philosophy & Religion

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Politics, Law & Government

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Sports & Recreation

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Visual Arts

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World History