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## By: Vsauce**Published: **3 years ago

247, 193 Likes 3, 819 Dislikes

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

And subscribe to FIELD DAY!! http://www.youtube.com/fieldday Jake and Kevin will be doing field days soon!!

LINKS, SOURCES, and MORE are below:

This video was shot in beautiful Bucharest, Romania :)

my twitter: http://www.twitter.com/tweetsauce

my instagram: http://www.instagram.com/electricpants

music by https://tune9.net/watch/JakeChudnow and http://www.audionetwork.com

“How Old Can We Get?” Vsauce1 video: https://tune9.net/watch/6LyCC6jjcx8

The Universal History of Numbers: http://www.amazon.com/The-Universal-History-Numbers-Prehistory/dp/0471375683

Highest number counted to with one breath: https://recordsetter.com/world-record/highest-number-counted-breath/17691

Highest number counted to: https://recordsetter.com/world-record/highest-number-counted-to/13623

Video of Harper reaching one million: https://tune9.net/watch/_aqCC2PVNcA

Jon Counts to 100,000 (part 1): https://tune9.net/watch/KMDjQHzRj6U

Jon Eats Carrots: https://www.youtube.com/channel/UCVgEzGuc7zYLI0fi4rSNnGQ

Jon Drinks Water: https://www.youtube.com/channel/UC15CpXEtQ4DH6UCE7kNcQOA

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

Vi Hart on logarithms and counting: https://tune9.net/watch/N-7tcTIrers

Logarithmic perception:

http://en.wikipedia.org/wiki/Weber%E2%80%93Fechner_law

http://en.wikipedia.org/wiki/Stevens%27_power_law

Thinking logarithmically:

http://www.radiolab.org/story/91698-innate-numbers/

https://www.khanacademy.org/math/algebra2/exponential_and_logarithmic_func/log_functions/v/vi-and-sal-explore-how-we-think-about-scale

http://www.science20.com/news_articles/logarithm_versus_linear_thinking_why_our_brains_midpoint_1_and_9_might_be_3-94891

http://www.huffingtonpost.com/ben-thomas/whats-halfway-between-1-and-9-kids-and-scientists-say-3_b_1982920.html

psychophysics of price: http://www.researchgate.net/publication/24098883_Market_Price_Variation_Perceived_Price_Variation_and_Consumers'_Price_Search_Decisions_for_Durable_Goods

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

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

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

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

Planck Length: http://www.physlink.com/Education/AskExperts/ae281.cfm

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