Quropedia01 / THE COVER
02 / ENTER THE WORLDSChoose
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Eleven worlds of wonder. Pick your curiosity and dive in.
03 / THE BIG STORY
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Science
The Pump Handle Did Not End Cholera: What John Snow Actually Proved in 1854
The Broad Street pump is famous for stopping cholera. The real 1854 investigation was more complicated—and more revealing about how science proves a cause.
04 / QUESTIONSStart with
Start with
the question.
05 / DISCOVERY STREAMKeep moving.Swipe on mobile
01Science
Can Birds Sense Earth’s Magnetic Field? The Science of an Invisible Compass
8 MIN READ
02Nature & Earth
Do Trees Really Communicate Through Underground Fungal Networks?
9 MIN READ
03Nature & Earth
Why Do Leaves Turn Red, Orange and Yellow?
8 MIN READ
04Nature & Earth
Why Can a Desert Suddenly Bloom With Thousands of Flowers?
8 MIN READ06 / WATCH THE QUESTIONIdeas worth seeing.
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Questions worth watching.
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▶07 / FOLLOW THE CONNECTIONOne question
One question
changes shape.
ANCIENT CIVILIZATIONS
Why Are Ancient Maps Sometimes More Wrong Than We Think?
MYSTERIES
The Somerton Man: When a Famous Mystery Gets an Answer but Not Every Answer
ALIENS
What Is the Fermi Paradox Really Asking?
SCIENCE
Why Does Ice Float Instead of Sink?
SPACE
Rogue Planets: Worlds That Travel Without a Star
THE HUMAN MIND
Why Do Humans Search for Patterns Everywhere?
Why Are Ancient Maps Sometimes More Wrong Than We Think?
The Somerton Man: When a Famous Mystery Gets an Answer but Not Every Answer
What Is the Fermi Paradox Really Asking?
Why Does Ice Float Instead of Sink?
Rogue Planets: Worlds That Travel Without a Star
Why Do Humans Search for Patterns Everywhere??
08 / KEEP LOOKING