Wednesday, September 11, 2013

Science news that makes me squirm uncomfortably in my seat


Better fathers have smaller testicles

OK, well maybe I'm not that good at this Dad stuff.

1 comment:

tom said...

This is old news...

I remember reading a study, circa 95-96, that found a strong correlations both across primate species, and within each species between the ratio of testicle size to lean body mass and the tendency toward monogamy vs promiscuity.