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Why Men Don't Have Sensory Whiskers and Spiny Genitals
sciencehabit writes "Most male mammals wield a penis covered with spines made of keratin, the same material that forms fingernails, to sweep out competitors' sperm and irritate a female into ovulating. Even chimpanzees, our closest relatives, have penile spines. So why don't men? A new study suggests that this feature disappeared due to a chunk of DNA that went missing after our evolutionary divergence from chimps. The researchers have identified another DNA deletion that may have contributed to humans' bigger brains."
Because I'm good at irritating females, yet somehow it doesn't lead to their ovulating.
What, you mean these spines on my penis aren't normal?
I'd better go see a doctor.
...because I refrain from sex with porcupines and hedgehogs. And I didn't even have to RTFA.
The phrase "wield a penis" appears in it.
I am Bennett Haselton! I am Bennett Haselton!
All the women had sex with the first freak born without them.
Even chimpanzees, our closest relatives, have penile spines. So why don't men?
Intelligent Design aka Creationism perhaps?
I guess I never really appreciated how lonely it could get during the Russian winter...
"Hello, my name is Peggy."
Which will no doubt take some barbed comments and pointed insights to thrust ourselves into a much deeper and greater understanding.
Perhaps twice, after a 30 minute resting period.
Please do not read this sig. Thank you.
The home remedies in this previous version are worth the read.
Do you even lift?
These aren't the 'roids you're looking for.