Why is this number everywhere?

The number 37 is on your mind more than you think. Head to to start your free 30-day trial and get 20% off an annual premium subscription. Huge thanks to Tom Magliery for sharing his 37 collection with us. Support by sharing your own 37 sightings to tom@! Thanks to Dr. Todd Landman, the Academic Magician, for sharing his footage of the 37 Force. - ▀▀▀ Special thanks to our Patreon supporters! Join this list to help us keep our videos free, forever: Sam Lutfi, Lee Redden, Juan Benet, Richard Sundvall, Paul Peijzel, Gnare, Michael Krugman, Meekay, Ubiquity Ventures, Marinus Kuivenhoven, Bill Linder, Evgeny Skvortsov, Burt Humburg, Dave Kircher, Diffbot, john kiehl, Blake Byers, Stephen Wilcox, John H. Austin, Jr., Josh Hibschman, TTST, Orlando Bassotto, Anton Ragin, David Johnston, KeyWestr, Tj Steyn, meg noah, Chris Harper, Adam Foreman, Max Paladino, Balkrishna Heroor, I. H., Garrett Mueller, Bertrand Serlet, Kyi, wolfee, Matthias Wrobel If you’re looking for a molecular modeling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - ▀▀▀ References: Simon, W. E. (1972). “Blue Seven Phenomenon” in Elementary and Jr. High Children. Psychological Reports - Trueman, J. (1979). Existence & Robustness of Blue Seven Phenomena. The Journal of General Psychology - Saito, M. (1999). “Blue and Seven Phenomena” in Japanese Students. Perceptual & Motor Skills - Philbrick, J. L. (1976). Blue seven in East Africa: Preliminary report. Perceptual & Motor Skills - Hargreaves, S. (2009). The psychology of randomness. - The 37 Force via The Magician’s Forum - Fulves, K. (1979) Self-Working Mental Magic. Dover Publications, Inc. - Random numbers via The Jargon File at - Random Number Survey by MahoganyForest via Reddit - Prime number theorem via Wikipedia - Grossack, C. (2023). A truly incredible fact about the number 37. - Least prime factor of n via - Fry, H. (2017). When should you settle down? - Choosing Toilets by Numberphile - Seaton, R. (2014). The Secretary Problem Explained: Dating Mathematically. - Images & Video: Just 37 by Tom Magliery - R4000 Processor via Molecular Expressions - The “37” Cluster by Noel Carboni - Charles Fleischer via Wikimedia - ▀▀▀ Directed by Emily Zhang Written by Emily Zhang and Derek Muller Edited by Peter Nelson Asst edited by Luke Molloy Animated by Fabio Albertelli, Ivy Tello, and Leigh Williamson Illustrated by Jakub Misiek Filmed by Emily Zhang, Casper Mebius, Derek Muller, Michael Cimpher, and David Szasz Additional research by Gregor Čavlović Produced by Emily Zhang, Giovanna Utichi, Han Evans, and Emily Taylor Thumbnail contributions by Ignat Berbeci, Ren Hurley, and Peter Sheppard Additional video/photos supplied by Getty Images and Storyblocks Music from Epidemic Sound