Watch my FIELD DAY video, “Home Sweet Whittier”: http://bit.ly/1QKKcuo

Support Vsauce, your brain, Alzheimer's research, and other YouTube educators by joining THE CURIOSITY BOX: a seasonal delivery of viral science toys made by Vsauce! A portion of all proceeds goes to Alzheimer's research and our Inquisitive Fellowship, a program that gives money and resources directly to growing science channels here on YouTube! https://www.curiositybox.com
LINKS, SOURCES, and MORE are below:


This video was shot in beautiful Bucharest, Romania :)

my twitter:   / tweetsauce  
my instagram:   / electricpants  

music by    / jakechudnow   and http://www.audionetwork.com

“How Old Can We Get?” Vsauce1 video:    • How Old Can We Get?  

The Universal History of Numbers: http://www.amazon.com/The-Universal-H...

Highest number counted to with one breath: https://recordsetter.com/world-record...

Highest number counted to: https://recordsetter.com/world-record...

Video of Harper reaching one million:    • Jeremy Harper hits 1 million  

Jon Counts to 100,000 (part 1):    • Video  

Jon Eats Carrots:    / @joneatscarrots  

Jon Drinks Water:    / @jondrinkswater  

PetitTube: http://www.petittube.com/

Vi Hart on logarithms and counting:    • How I Feel About Logarithms  

Logarithmic perception:

http://en.wikipedia.org/wiki/Weber%E2...
http://en.wikipedia.org/wiki/Stevens%...

Thinking logarithmically:

http://www.radiolab.org/story/91698-i...
https://www.khanacademy.org/math/alge...
http://www.science20.com/news_article...
http://www.huffingtonpost.com/ben-tho...

psychophysics of price: http://www.researchgate.net/publicati...

subitizing: http://en.wikipedia.org/wiki/Subitizing

approximate number system: http://en.wikipedia.org/wiki/Approxim...

numerical cognition: http://en.wikipedia.org/wiki/Numerica...

Panamath ANS test: http://www.panamath.org/testyourself.php

Planck Length: http://www.physlink.com/Education/Ask...

interactive “scale of the universe”: http://htwins.net/scale2/