Why Are We This Size?

The average human male is 5.6 ft tall and the average human female is 5.2 ft tall. Why is this? Could we be a different size? How much bigger or smaller could we be and still be human? All of these are questions we try to answer in this video.
________________________________
VIDEO ANNOTATIONS

What the HECK are Planck Units?
https://youtu.be/2h_xnM9SOYc
________________________________
SCIENCE ASYLUM STUFF

Support us on Patreon:
http://www.patreon.com/ScienceAsylum

Advanced Theoretical Physics (eBook):
https://gumroad.com/l/ubSc

Merchandise:
http://shop.spreadshirt.com/scienceasylum/

More videos at:
http://www.youtube.com/TheScienceAsylum

Facebook: http://www.facebook.com/ScienceAsylum
Twitter: @nicklucid http://twitter.com/nicklucid
Instagram: @nicklucid https://instagram.com/nicklucid/
Google+: http://www.google.com/+Scienceasylum
Main Site: http://www.scienceasylum.com/

Vlog: http://www.youtube.com/TheNickLucid
________________________________
EXTRA INFO LINKS

Vsauce on Human Size:
https://youtu.be/DkzQxw16G9w

Kyle Hill/Nerdist on Human Size:
https://youtu.be/Bewq3rXFlHE

Vsauce3 on Human Size:
https://youtu.be/20Fq2huhvEI
https://youtu.be/xkvo-DrU2gM

Braincraft on Humans Brains:
https://youtu.be/FFcbnf07QZ4

Scaling Problems:
https://en.wikipedia.org/wiki/Surface-area-to-volume_ratio
https://en.wikipedia.org/wiki/Square-cube_law
https://en.wikipedia.org/wiki/Allen%27s_rule
https://en.wikipedia.org/wiki/Bergmann%27s_rule
https://en.wikipedia.org/wiki/On_Being_the_Right_Size

Brains & Neurons:
https://en.wikipedia.org/wiki/Neuron
https://en.wikipedia.org/wiki/List_of_animals_by_number_of_neurons
https://en.wikipedia.org/wiki/Brain_size
https://en.wikipedia.org/wiki/Brain-to-body_mass_ratio
https://en.wikipedia.org/wiki/Human_brain
https://en.wikipedia.org/wiki/Cerebral_cortex
http://www.ncbi.nlm.nih.gov/pubmed/24971054

E.Q. Values:
https://en.wikipedia.org/wiki/Encephalization_quotient
http://serendip.brynmawr.edu/bb/kinser/Int3.html
http://www.cogs.indiana.edu/spackled/2005readings/CetaceanBrainEvolution.pdf

Insect Breathing:
https://en.wikipedia.org/wiki/Respiratory_system_of_insects
https://en.wikipedia.org/wiki/Spiracle#Arthropods

Octopuses:
http://animals.howstuffworks.com/marine-life/octopus3.htm
http://www.octopusworlds.com/octopus-anatomy/
https://youtu.be/HL3M_DcO6wk

Homonids:
https://en.wikipedia.org/wiki/Homo
________________________________
LINKS TO COMMENTS

Planck Time - Rogue Assassin Gaming:
https://www.youtube.com/watch?v=2h_xnM9SOYc&lc=z13qslirmvnyczflv22asfzplqu1sdved

Planck Black Hole - PapaKay:
https://www.youtube.com/watch?v=2h_xnM9SOYc&lc=z12vx3m5cpjsjhozi04cedtgykbbvxchsic

Base 12 Math - Camo Rovak:
https://www.youtube.com/watch?v=2h_xnM9SOYc&lc=z123xbwrguntv1slt221czao5r2wvjof3

Black Body Radiation - Pablo Torron Perez:
https://www.youtube.com/watch?v=2h_xnM9SOYc&lc=z13mvrrwrkupxzokb22lcdtxnniwgvqzn04

100k Subscribers - Infinity Pool:
https://www.youtube.com/watch?v=2h_xnM9SOYc&lc=z12ihluahm3gylbs122hcdpjwkyywndo004
________________________________
IMAGE CREDITS

Logo designed by: Ben Sharef

Stock Photos and Clipart
- Wikimedia Commons http://commons.wikimedia.org/wiki/Main_Page
- Openclipart http://openclipart.org/
- or I made them myself...

Neuron Diagram:
https://commons.wikimedia.org/wiki/File:Complete_neuron_cell_diagram_en.svg

Chimpanzee:
https://commons.wikimedia.org/wiki/File:Lightmatter_chimp.jpg

Bottlenose Dolphin:
https://commons.wikimedia.org/wiki/File:Tursiops_truncatus_01.jpg

Elephant Brain:
http://neurosciencelibrary.org/specimens/proboscidea/elephant/

Caterpillar:
https://commons.wikimedia.org/wiki/File:Actias_selene_5th_instar_2_sjh.JPG

Marvel's Ant-Man:
https://www.wired.com/wp-content/uploads/2015/07/antman-ants-Featured.jpg

Видео Why Are We This Size? канала The Science Asylum