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Britannica Explains

Purim is also known as the "Feast of Lots." Why?

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Understanding the story of Purim

Luck O' The Irish

Who was the real St. Patrick?
Who was the real St. Patrick?
How many Americans have Irish ancestry?
How many Americans have Irish ancestry?
What is the origin of St. Patrick's Day?
What is the origin of St. Patrick's Day?
Sláinte: The influence of Irish language on English
Sláinte: The influence of Irish language on English

Raise A Glass

The chemistry behind craft beer
The chemistry behind craft beer
How do breath analyzers tell if a person is drunk?
How do breath analyzers tell if a person is drunk?
The science behind alcohol's effects on the body
The science behind alcohol's effects on the body
Fruit flies: The hidden secret to better beer flavors?
Fruit flies: The hidden secret to better beer flavors?

New on Britannica

A bald eagle on a white column with a blue ribbon labeled "national bird," against a faded U.S. map background.
Why is the bald eagle the U.S. national bird?
A factory with smokestacks emitting green-patterned smoke. The text above reads, "What is greenwashing?" in bold black letters.
What is greenwashing?
A collage featuring four colonial-era European figures in military and formal attire, a yellow map of Africa, and a vintage cartoon of imperialism in the background.
What was the Scramble for Africa?
Gloved hands draw liquid from a vial into a syringe, overlaid on a digitally colored microscopic image of a virus with round particles in clusters.
How we develop new vaccines
Buster Keaton sitting on the floor with a film camera on top of him, as if the camera fell on Keaton.
The greatest stunts of Buster Keaton
Leonardo DiCaprio as Jay Gatsby raises a champagne glass, with "The Great Gatsby" book cover superimposed and an arrow pointing to it.
The Great Gatsby: From flop to Great American Novel
Black-and-white photo of a man in a suit plugging his ears with his fingers. An orange polka dot pattern is behind his head.
Why do we have earwax?
A bronze bust of an Indigenous American figure sits in a kitchen, overlaid with sacks of rice marked with a green check and milk with sugar cubes crossed out.
Bringing back Indigenous foods with Chef Sean Sherman
Two reenactors and an illustration of a Black soldier from the First Rhode Island Regiment stand against a background of historical handwritten text.
The first Black battalion of the American Revolution
The word semiquincentennial appears in white text on a blue background.
What do you call the 250th anniversary of the United States?
The video thumbnail image shows two hands holding zebra and quagga mussels, superimposed above a clear body of water. White question marks appear in the upper left corner.
How invasive mussels threaten the Great Lakes
A white woman in blurry focus holds up a small piece of plastic called a nurdle, highlighted with a blue circle.
Marine debris: How trash ends up in the ocean

Original Series

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Britannica Explains
Whatever your question, Britannica has the answer.
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Demystified
Science, art, history, and culture—demystified.
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B-Money Smart
Want to become a smarter investor, saver, and spender? Britannica Money breaks down the complex world of finance.
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Behind the Zodiac
What’s really written in the stars?
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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.
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This Time in History
In these videos, find out what happened this month (or any month!) in history.

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