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Britannica Explains
Protecting the planet means the world to us.
Watch more
Experts on Earth
The problem with climate change explained by Bill McKibben
Gitanjali Rao explains the fight for clean drinking water
Enrique Salmón explains the threat of biodiversity loss
The transition to renewable energy explained by Phil the Fixer
For What It's Earth...
What's the problem with an early spring?
What causes algae blooms?
Do fossil fuels really come from fossils?
Why bees are important to the environment
How do cicadas know when to go aboveground?
New on Britannica
How Chinese immigrants built the Transcontinental Railroad
Why don't humans have tails?
What's the problem with an early spring?
How do mobsters get their nicknames?
Coco Chanel: From quiet luxury to Nazi affiliation
The difference between bacteria and viruses
How Fred Astaire became a dancer
How do scabs form?
What inspires Nobel Peace Prize winner Leymah Gbowee to fight injustice
How Nobel Peace Prize winner Leymah Gbowee defines peace
What do eggs have to do with Easter?
The history of the Olympics: From ancient Greece to now
Original Series
Britannica Explains
Whatever your question, Britannica has the answer.
Demystified
Science, art, history, and culture—demystified.
B-Money Smart
Want to become a smarter investor, saver, and spender? Britannica Money breaks down the complex world of finance.
Behind the Zodiac
What’s really written in the stars?
Britannica Classics
Check out these retro videos from Encyclopedia Britannica’s archives.
#WTFact Videos
In #WTFact Britannica shares some of the most bizarre facts we can find.
This Time in History
In these videos, find out what happened this month (or any month!) in history.
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