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Britannica Explains

Why did the encylopedia cross the bridge?

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The vidoe thumbnail image shows a two-sided bridge lifting and separating at the center. A blue circle highlights the open section.

Winter Wonderland

The video thumbnail shows a small squirrel peeking out of a snowy bank, with a blue circle surrounding it.
Why do these animals hibernate?
Are all snowflakes actually unique?
Are all snowflakes actually unique?
What causes the seasons?
What causes the seasons?
What are glaciers? Ask a glaciologist
What are glaciers? Ask a glaciologist

The Category Is: Animals

The video thumbnail image shows a brown-speckled bird perched on a branch, singing with an open beak.
Why don't birds have teeth?
The video thumbnail image shows a monarch butterfly perched on a plant with purple flowers.
How can we help protect monarch butterflies?
Image thumbnail shows a illustration of a shark resting its head on a pillow.
Do sharks sleep?
How are birds and dinosaurs related?
How are birds and dinosaurs related?

New on Britannica

The video thumbnail image includes a 17th century artwork showing men fighting at a gambling table, surrounded by a Christmas garland and overlaid on a photograph of a snowy forest.
When Christmas became illegal
The video thumbnail image shows a snow-capped mountain against a blue sky.
How to measure a mountain
The video thumbnail image shows four ten dollar bills with arrows pointing to an image of a family with one member in a wheelchair and an image of an elderly woman.
How do social security benefits work?
The video thumbnail shows a small squirrel peeking out of a snowy bank, with a blue circle surrounding it.
Why do these animals hibernate?
A split image showing two women from behind near a lake labeled "1969," and two women smiling and embracing labeled "2024," connected by an arrow.
How to preserve LGBTQ+ history in the face of hate
The vidoe thumbnail image shows a two-sided bridge lifting and separating at the center. A blue circle highlights the open section.
How these lifting bridges actually work
The video thumbnail image shows a graphic of the Earth with two tidal bulges. Blue arrows point to the bulges against a white background.
How does the Moon affect the tides?
The video thumbnail image shows a collage of a Campbell's condensed soup can, a bowl of tomato soup, a grilled cheese sandwhich, and a 1950s housewife spooning soup into a pot.
How artificial dyes color our taste in food
Silhouette of a bird with outstretched wings holding a "Hello, my name is ?" badge, next to a set of four large, weathered bones on a dark background.
How to identify new species with just one bone
The video thumbnail image shows a white woman walking by a wall that says "You are on Native land."
From the Elgin Marbles to NAGPRA: What is repatriation?
The video thumbnail image shows a tiered wedding cake with a diamond ring sticking out of the side.
Should you get a prenuptial agreement?
The video thumbnail image shows an illustration of the bird dinosaur Longipteryx alongside two toy dinosaur figurines.
What did ancient animals REALLY eat?

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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