The Science of Men

Learn about the history of dudes, and a new theory about deep voices in this new episode of SciShow News. You know, science… bro… stuff.

Hosted by: Hank Green
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Sources:

Y-Chromosome
http://nature.com/articles/doi:10.1038/ng.3559
http://www.1000genomes.org/about
http://isogg.org/wiki/Haplogroup
http://www.sfu.ca/ipinch/sites/default/files/resources/fact_sheets/ipinch_adnafactsheet_final_revisedoct2015.pdf

Sexual Dimorphism
http://rspb.royalsocietypublishing.org/lookup/doi/10.1098/rspb.2015.2830
http://www.britannica.com/science/sexual-dimorphism
http://www.webmd.com/a-to-z-guides/cortisol-14668
http://news.utexas.edu/2010/09/27/stress-hormone-blocks-testosterones-effects-study-shows

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