A Change in The Development of Our Ovaries Could Have Led to Bigger BrainsA Change in The Development of Our Ovaries Could Have Led to Bigger Brains - ScienceAlert

The human brain may have steadily grown in size not because evolution plucked some big-brained ancestors out of the crowd, favoring their smarts over others, but because energy allocated to growing egg-laden ovarian follicles went to our heads instead.