The Human Penis is Remarkably Boring — Traditions of Conflict
The origin and evolution of sex organs in mammals | The Pterosaur Heresies
The Prehistoric Penis - European Medical Journal
Politics of the penis
How the penis lost its spikes | Nature
Why humans lost their penis bone | Science | AAAS
human penile evolution | UCL Researchers in Museums
Why don't humans have a penis bone? Scientists may now know | Evolution | The Guardian
The Evolution of Penis Size
Why man had to lose the spines on his penis in order to enjoy sex for longer (and the whiskers had to go too) | Daily Mail Online
BBC NEWS | Health | Penis is a competitive beast
Why Did Humans Evolve Such Enormous Penises? | IFLScience
Penis size: biological norms vs. societal expectations
Evolutionary science reveals the hidden benefits of humans' “dull” penises
Men - your penis only looks like it does because of women ...you're welcome
human penile evolution | UCL Researchers in Museums
Evolutionary science reveals the hidden benefits of humans' “dull” penises
Penis evolution: Is bigger really better? - Los Angeles Times
Female penises evolved twice in bark lice | EurekAlert!
Why did humans evolve big penises but small testicles?
Evolution of the foreskin - IntactiWiki
Quirks of Human Anatomy by Lewis Held
Male Genital Morphology and Function: An Evolutionary Perspective | Journal of Urology
Penis evolution across species: divergence and diversity | Nature Reviews Urology
Patt Morrison | How did the penis lose its spines? | 89.3 KPCC
