How Much Information Can A Human Head Hold?

SciShow October 8, 2025
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Visit https://brilliant.org/scishow/ to get started learning STEM for free and get 20% off their annual premium subscription. How much information can a human brain store? If we treat them like computers, one estimate is that they can hold 55 million ebooks worth of information. But why restrict ourselves to biology? If you had the right technology, how much information could you pack inside a human head? Hosted by: Savannah Geary (they/them) ---------- Support us for $8/month on Patreon and keep SciShow going! https://www.patreon.com/scishow Or support us directly: https://complexly.com/support Join our SciShow email list to get the latest news and highlights: https://mailchi.mp/scishow/email ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Eric Jensen, David Johnston, Alan Wong, Cye Stoner, Bethany Matthews, Adam Brainard, Friso, Matt Curls, Chris Mackey, Garrett Galloway, J.V. Rosenbalm, Toyas Dhake, Reed Spilmann, Jeremy Mattern, Jaap Westera, Chris Curry, Blood Doctor Kelly, Lyndsay Brown, Kevin Bealer, Piya Shedden, Joseph Ruf, Steve Gums, Jason A Saslow, Kevin Knupp, Alex Hackman, Chris Peters ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow Bluesky: https://bsky.app/profile/scishow.bsky.social #SciShow #science #education #learning #complexly ---------- Sources: https://docs.google.com/document/d/e/2PACX-1vSMVE7J6waGMpr97PxSaiq8pC5_Sp3aE5Al9vbbXsE7hYGpC4focKa2s9gEhuKu-QIHpwEgOXAyzjD1/pub

Brain Power Upgrade Kit

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