InterSphere - Explore Knowledge Connections

Follow your curiosity

Coffee sobered up Europe.

And sparked the Enlightenment.

Every idea connects to something unexpected. Start anywhere.

or

Not sure where to start?

Pick a door. Any door.

See all topics

Gathering threads of knowledge…

Why InterSphere

🔗

Surprising Connections

Discover unexpected links between topics. Our "surprise score" highlights connections that challenge your assumptions.

💡

Aha Moments

Each connection comes with a justification—the "aha moment" that reveals why it matters.

📚

Evidence-Based

Every fact is sourced. Citations and evidence give you confidence in what you're learning.

NEW FEATURE

Everything Connects

Pick any two topics. We'll show you the surprising path that links them — like "Six Degrees of Kevin Bacon" for all of human knowledge.

Try it now
Egypt
Jazz

9 steps apart

How InterSphere Works

1

Choose a Topic

Start with something you're curious about—or let us surprise you with our featured discoveries.

2

Explore Connections

See how topics relate to each other. Hover to reveal the "aha moment" behind each connection.

3

Build Understanding

Take quizzes, follow citation trails, and build a richer mental model of the world.

Where Curiosity Begins

Explore the hidden connections between ideas.
Every insight leads to another.

Start ExploringTry a Quiz

A calm, evidence-based way to understand the world.