Social Brain Hypothesis VS. Climatic Variability Hypothesis: Hominid Encephalization

[YHWH Allah]

Please explain the reasoning behind your choice

Neither of the two (2) public poll choices.

https://www.researchgate.net/profile/Brad_Singer/publication/222681790_Matuyama-Brunhes_reversal_and_Kamikatsura_event_on_Maui_paleomagnetic_directions_40Ar39Ar_ages_and_implications/links/02e7e5183c5bd89ff8000000.pdf

http://anthro.palomar.edu/homo/homo_2.htm

http://io9.gizmodo.com/5851828/10-things-an-electromagnetic-field-can-do-to-your-brain

Magnetic pole reversals trigger brains.

Edited January 6, 2017 by YHWH Allah

[OldChemE]

Environment, not socialization. Survival in the environment is the ultimate decider as to who survives, hence what brain capability survives. Pardon my pessimism, but as I look at modern society I have trouble believing that typical social interactions could in any way be correlated to improved encephalization.