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Sample library. These profiles and videos are Circin's own demo content, written to show how the app works — they are not people who joined or videos anyone uploaded. Real creators get a page at circin.org/c/<name> as soon as they publish. Be one of the first →

Creators

Circin is people who know things. Find the ones worth following.

AllAlgebraBiologyChemistryCivics and Current EventsCodingComputer ScienceCritical ThinkingEconomicsEngineeringFinanceGeographyHistoryLanguage ArtsMathNews and MediaPhilosophyPsychologyScienceWorld HistoryWriting
JFJonah FeldSample
@algebrajonah · Algebra · Math
Math teacher, 12 years. Algebra can click for anyone.
Solve for x without the panicWhy the lottery is a tax on hopeThe chess habit that fixes your planni
LOLucia OrtegaSample
@bio.lucia · Biology · Science
Field biologist. Life is stranger than fiction.
Photosynthesis in 6 boardsWhat a cell does all dayWork backwards like a mathematician
NRNadia RahmanSample
@nadiabuilds · Engineering
Mechanical engineer. I break things to learn how they work.
Build a bridge out of paperBuilding a working hydraulic arm from Correlation vs causation in 45 seconds
PNPriya NairSample
@priyamaps · Geography
Geography nerd. The world is weirder than the map.
Why rivers refuse to run straightWhy is Africa so much bigger than it lWhy the second mover often wins
SRSam RiveraSample
@samcodes · Coding · Computer Science
Software engineer. One function at a time. Vanilla JS enthusiast.
Build a to-do list before this endsWhat 'training' a model really meansThe memory trick eyewitnesses fall for
IPDr. Ivan PetrovSample
@mindwithivan · Psychology
Cognitive scientist. How your mind quietly fools you.
The trick your memory playsSpot the survivorship biasBalancing equations like a scale
EMElena MarkovicSample
@elenafinance · Finance · Economics
CFA. Personal finance without the jargon. Education, not advice.
Your first index fund, explainedThe trolley problem, minus the clichésThe birthday paradox, for real
KOKwame OseiSample
@thinkingkwame · Philosophy · Critical Thinking
Philosophy grad. Better questions, not easy answers.
Is it still the same ship?Stoicism in one bad commuteWhy averages lie to you
ABProf. Ade BalogunSample
@historywithade · World History · History
Historian. Context over dates. Author of two books on empire and memory.
The 1885 map that carved up a continenWhy your brain rewards procrastinationThe derivative is just a zoom
TKTheo KaravalSample
@medialiteracy.theo · News and Media · Civics and Current Events
Journalist. Read past the headline. 10 years in the newsroom.
Spot a misleading chart in 30 secondsThe 5 Whys, done honestlyPi shows up where it should not
DRDeniz RahimiSample
@dhistorylab · World History · History
History, told like it still matters. Curator of the daily history lab.
The Berlin Wall didn't fall the way yoWhy this obvious riddle fools everyoneMental math for splitting the bill
MCDr. Maya ChenSample
@mayachenchem · Chemistry · Science
Chemistry PhD. I make reactions make sense. Ex-lab tech, full-time explainer.
Why salt actually melts iceInfinity comes in sizesWhy hydration claims get exaggerated
FAFatima AhmadiSample
@fatimamath · Math · Algebra
Math should feel like a magic trick you understand. Former competition coach.
The math trick behind a perfect card sWhat a proof actually isWhat sleep debt actually does
RDRosa DelgadoSample
@writewithrosa · Writing · Language Arts
Writer and editor. Learn along with me, we edit together.
Cut 20% of your words with meThe knights and knaves warm-upThe 9s trick your teacher skipped
JWJonas WeberSample
@jonaswmoney · Finance · Economics
Money, minus the hype. Education, not advice.
What a credit score actually measures