Explore the possibility of transitioning to a green economy, and if the trillion-dollar up-front cost is worth the investment.

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Global warming is very, very expensive: extreme weather, rising sea levels, crop failures, health issues, and industry disruptions…

Dig into how your age can affect your decision making, and explore the psychology of how we weigh risks against rewards.

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Welcome to Risky Business, the game where we find out how far people will go to win a prize! Today’s contestants are a 21 year-old…

Discover the origins of dragon legends, and find out how geological events could have inspired these stories in ancient civilizations.

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From the Chinese Loong to the Filipino Bakunawa, the Scottish Beithir and the Greek Hydra, dragons have inflamed imaginations…

Dig into the science of how psychedelic drugs affect your brain, and how they could be used for psychiatric treatment.

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In 1943, chemist Albert Hofmann accidentally exposed himself to a drug he derived from ergot fungus and recorded its unexpected, mind…

Explore 4 common misconceptions about Ancient Rome, and find out what living in this time period was actually like.

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Minerva, the esteemed Roman goddess of reason, wisdom, handicrafts, and war, is judging a contest: duo vera et mendacium. Three brave…

Trace the strange history of Graham crackers, invented by minister Sylvester Graham in order to curb the vices of Americans.

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In the 1800s, minister Sylvester Graham believed Americans had a big problem— not just with their bodies, but their souls. He…

Trace the history of bloodletting, a medical practice dating back to ancient Greece and its continued use into the 19th century.

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Bloodletting was a pervasive medical practice that dates as far back as ancient Greece and continued well into the 19th century.…

Puzzle through the ethical dilemma of intellectual property rights, and decide: how should we determine ownership of work?

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In the city of Ockham, spellcasters invent incantations and publish them in scrolls that others can purchase. Unfortunately, you…

Learn more at https://brilliant.org/TedEd

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Ever since Einstein published his Special Theory of Relativity, one equation has been the bane of humans hoping to explore the stars: E=mc². In addition to informing our understanding of gravity, space, and time…

Explore the challenges of Parker Solar Probe’s mission to touch the Sun, and what we could learn about the star as we get closer.

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In 2021, the Parker Solar Probe achieved its mission to touch the Sun, skimming through its outermost atmosphere. Since…

Episode 1: Learn how to identify the qualities that make an idea worth sharing with an audience.

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This is episode 1 of the animated series, “Public Speaking 101.” Ideas change everything — and since language lets us share our ideas, learning how to use…

Dig into the close relationship between figs and wasps, and find out if it's normal and safe for bugs to be in our food.

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In 2023, a US grocer recalled over 10,000 cases of broccoli-cheddar soup over concerns they contained too much of an unintended ingredient.…

Episode 2: Uncover your best ideas by exploring your unique experiences, interests, and perspective.

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This is episode 2 of the animated series, “Public Speaking 101.” Ideas change everything — and since language lets us share our ideas, learning how to…

Dig into how bed bugs establish a colony in your home, and find out what makes it so hard to prevent these itchy invasions.

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Bed bugs have tormented humans for millennia, so detested that their mere mention can make hearts race and arms itch. There are…