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Physics · Entry 001
Why Ice Floats
Most solids sink in their own liquid. Ice is weird.
Read the entry →SHORT
SCIENCE
FACTS.
Strange, true, sourced. Lightweight lessons for curious kids — and the parents and teachers who keep up with them.
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02
Space · Entry 002
Is Our Universe Inside a Black Hole?
What if everything you know - every star, every planet, every YOU - is sitting inside what we usually call the end of everything?
Read the entry →03
Human Body · Entry 003
Why We Get Goosebumps
Hundreds of tiny muscles in your skin are still trying to fluff up fur you don't have.
Read the entry →What you'll find on every page
Six things, always
- The Big FactA single, true scientific claim — the one thing the page is really about.
- What's HappeningThe plain-English mechanism. No jargon for jargon's sake.
- Comprehension CheckFive quiz questions, classroom-ready or for the kitchen table.
- Try This at HomeA simple, materials-light experiment that demonstrates the fact.
- Words to KnowThe handful of vocabulary terms worth carrying away.
- SourcesReal citations. We link to the studies and references behind every fact.
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