One teaspoon of a neutron star would weigh a billion tons.
BRAIN FOOD, SERVED DAILY
A deck of curated facts to swipe, bite-size science stories to watch, and puzzles to play. Fourteen fields of science in your pocket.
FOURTEEN FIELDS
Stars, planets, and the wider cosmos
Wildlife, behavior, and survival
The hidden microscopic world
Energy, motion, and matter
The machine you live in
Reactions, elements, and bonds
Inventions shaping tomorrow
+7
Earth, Plants, Mind, Engineering and friends
THIRTY SECONDS EACH
One teaspoon of a neutron star would weigh a billion tons.
Octopuses taste everything they touch with their arms.
Honey found in ancient tombs is still perfectly edible.
EASY AND FAST
Grab it on Google Play and sign in with Google. Ten seconds, no forms.
Follow the categories you love and your deck learns what feeds your curiosity.
Facts, feeds, and puzzles. Earn coins as you go and climb the guru ranking.
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Cards deal themselves. Drag one if you can't wait.
IN GOOD COMPANY
SIMPLE PLANS
Everything is playable for free. Upgrading removes interruptions and keeps the lab running.
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Billed through Google Play. Cancel anytime.
GOOD QUESTIONS
Yes. Every fact, feed, and game is available on the free plan, supported by ads. Paid plans remove interruptions and support the project.
Coins buy hints and extras inside the puzzle games. You earn them by playing, by watching optional rewarded videos, or from the in-app shop.
Straight from the account page in the app, or from Google Play subscriptions. Your benefits continue until the end of the paid period.
Every fact ships with a source and a short explanation of what it means and why it matters. Tap any card to read the full story.
Your progress syncs to your account so it survives a new phone. Payments stay with Google Play. The details live in our privacy policy.
Download free, swipe your first deck, and never run out of dinner-table material.
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